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Patent Assignment Assignor Details
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Assignor Name : CHANG, WEN-HSUAN
Total Assignments: 39
Assignment: 1
Reel/Frame:003974/0196   Pages: 4
Recorded: 01/29/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
PICCIRILLI, ROBERT M.
Exec Dt:
01/22/1982
2
CHANG, WEN-HSUAN
Exec Dt:
01/22/1982
3
PORTER, SAMUEL JR.
Exec Dt:
01/22/1982
4
O DWYER, JAMES B.
Exec Dt:
01/22/1982
5
LEE, KYU-WANG
Exec Dt:
01/25/1982
Assignee
1
PPG INDUSTRIES, INC., A CORP.OF PA.
PITTSBURGH, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4410668
NONE
06344082
Correspondence name and address
PATENT DEPARTMENT
PPG INDUSTRIES, INC.
ONE GATEWAY CENTER
PITTSBURGH, PA 15222
Assignment: 2
Reel/Frame:003974/0333   Pages: 4
Recorded: 01/29/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
PICCIRILLI, ROBERT M.
Exec Dt:
01/22/1982
2
CHANG, WEN-HSUAN
Exec Dt:
01/22/1982
3
PORTER, SAMUEL JR.
Exec Dt:
01/22/1982
4
O'DWYER, JAMES B.
Exec Dt:
01/22/1982
5
LEE, KYU-WANG
Exec Dt:
01/25/1982
Assignee
1
PPG INDUSTRIES, INC., A CORP. OF PA
PITTSBURGH, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4419407
NONE
06343785
Correspondence name and address
PATENT DEPARTMENT
PPG INDUSTRIES, INC.
ONE GATEWAY CENTER
PITTSBURGH, PA 15222
Assignment: 3
Reel/Frame:003974/0337   Pages: 4
Recorded: 01/29/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
PORTER, SAMUEL JR.
Exec Dt:
01/22/1982
2
PICCIRILLI, ROBERT M.
Exec Dt:
01/22/1982
3
CHANG, WEN-HSUAN
Exec Dt:
01/22/1982
4
O'DWYER, JAMES B.
Exec Dt:
01/22/1982
5
LEE, KYU-WANG
Exec Dt:
01/25/1982
Assignee
1
PPG INDUSTRIES, INC., A CORP. OF PA
PITTSBURGH, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4410667
NONE
06343784
Correspondence name and address
PATENT DEPARTMENT
PPG INDUSTRIES, INC.
ONE GATEWAY CENTER
PITTSBURGH, PA 15222
Assignment: 4
Reel/Frame:003997/0959   Pages: 3
Recorded: 03/04/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
CHANG, WEN-HSUAN
Exec Dt:
02/19/1982
2
LEE, KYU-WANG
Exec Dt:
03/01/1982
3
SAUNDERS, JOHN B. JR.
Exec Dt:
02/19/1982
Assignee
1
PPG INDUSTRIES, INC., A CORP OF PA
PITTSBURGH, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4413086
NONE
06354561
Correspondence name and address
THOMAS M. BREININGER
PATENT DEPT.
PPG INDUSTRIES, INC.
ONE GATEWAY CTR.
PITTSBURGH, PA 15222
Assignment: 5
Reel/Frame:003995/0270   Pages: 1
Recorded: 05/10/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
LEE, KYU-WANG
Exec Dt:
04/28/1982
2
PEFFER, JOHN R.
Exec Dt:
04/21/1982
3
PICCIRILLI, ROBERT
Exec Dt:
04/23/1982
4
CHANG, WEN-HSUAN
Exec Dt:
04/21/1982
Assignee
1
PPG INDUSTRIES, INC., A CORP. OF PA.
PITTSBURGH, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4429082
NONE
06376329
Correspondence name and address
PATENT DEPARTMENT
PPG INDUSTRIES, INC.
ONE GATEWAY CENTER
PITTSBURGH, PA 15222
Assignment: 6
Reel/Frame:004054/0631   Pages: 4
Recorded: 09/29/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SINGER, DEBRA L.
Exec Dt:
09/24/1982
2
SCHIMMEL, KARL F.
Exec Dt:
09/24/1982
3
DOWBENKO, ROSTYSLAW
Exec Dt:
09/24/1982
4
CHAU, MICHAEL M.
Exec Dt:
09/24/1982
5
CHANG, WEN-HSUAN
Exec Dt:
09/24/1982
Assignee
1
PPG INDUSTRIES, INC., A CORP. OF PA.
PITTSBURG,, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4469832
NONE
06427399
Correspondence name and address
PATENT DEPARTMENT
PPG INDUSTRIES, INC.
ONE GATEWAY CENTER
PITTSBURGH, PA 15222
Assignment: 7
Reel/Frame:004054/0639   Pages: 5
Recorded: 09/29/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SINGER, DEBRA L.
Exec Dt:
09/24/1982
2
MC COLLUM, GREGORY J.
Exec Dt:
09/27/1982
3
DOWBENKO, ROSTYSLAW
Exec Dt:
09/24/1982
4
CHRISTENSON, ROGER M.
Exec Dt:
09/27/1982
5
CHAU, MICHAEL M.
Exec Dt:
09/24/1982
6
CHANG, WEN-HSUAN
Exec Dt:
09/24/1982
Assignee
1
PPG INDUSTRIES, INC., A CORP. OF PA.
PITTSBURGH,, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4477618
NONE
06427402
Correspondence name and address
PATENT DEPARTMENT
PPG INDUSTRIES, INC.
ONE GATEWAY CENTER
PITTSBURGH, PA 15222
Assignment: 8
Reel/Frame:004073/0335   Pages: 3
Recorded: 11/29/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
CHANG, WEN-HSUAN
Exec Dt:
11/18/1982
2
PICCIRILLI, ROBERT
Exec Dt:
11/18/1982
3
KASPER, WALTER F.
Exec Dt:
11/18/1982
Assignee
1
PPG INDUSTRIES, INC.
PITTSBURGH, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4430486
NONE
06445315
Correspondence name and address
CHARLES R. WILSON
PAT. DEPT., PPG GATEWAY CTR.
PITTSBURGH, PA 15222
Assignment: 9
Reel/Frame:004089/0993   Pages: 3
Recorded: 01/31/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
CHANG, WEN-HSUAN
Exec Dt:
01/21/1983
2
MC KEOUGH, DAVID T.
Exec Dt:
01/21/1983
3
PEFFER, JOHN R.
Exec Dt:
01/21/1983
Assignee
1
PPG INDUSTRIES, INC., A CORP. OF PA
PITTSBURGH,, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4501872
NONE
06462573
Correspondence name and address
PATENT DEPARTMENT
PPG INDUSTRIES, INC.
ONE GATEWAY CTR.
PITTSBURGH, PA 15222
Assignment: 10
Reel/Frame:004089/0996   Pages: 3
Recorded: 01/31/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
CHANG, WEN-HSUAN
Exec Dt:
01/21/1983
2
MC KEOUGH, DAVID T.
Exec Dt:
01/21/1983
3
PEFFER, JOHN R.
Exec Dt:
01/21/1983
Assignee
1
PPG INDUSTRIES, INC., A CORP. OF PA
PITTSBURGH,, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4467081
NONE
06462572
Correspondence name and address
PATENT DEPARTMENT
PPG INDUSTRIES, INC.
ONE GATEWAY CTR.
PITTSBURGH, PA 15222
Assignment: 11
Reel/Frame:004090/0514   Pages: 3
Recorded: 01/31/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
CHANG, WEN-HSUAN
Exec Dt:
01/21/1983
2
MCKEOUGH, DAVID T.
Exec Dt:
01/21/1983
3
PEFFER, JOHN R.
Exec Dt:
01/21/1983
Assignee
1
PPG INDUSTRIES, INC.; A CORP OF PA.
PITTSBURGH,, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4446292
NONE
06462596
Correspondence name and address
PPG INDUSTRIES, INC.
ONE GATEWAY CENTER
PITTSBURGH, PA 15222
Assignment: 12
Reel/Frame:004090/0519   Pages: 2
Recorded: 01/31/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
CHANG, WEN-HSUAN
Exec Dt:
01/21/1983
2
MCKEOUGH, DAVID T.
Exec Dt:
01/21/1983
Assignee
1
PPG INDUSTRIES, INC.; A CORP OF PA.
PITTSBURGH,, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4613451
NONE
06462590
Correspondence name and address
PATENT DEPT.
PPG INDUSTRIES, INC.
ONE GATEWAY CTR.
PITTSBURGH, PA 15222
Assignment: 13
Reel/Frame:004154/0043   Pages: 3
Recorded: 07/15/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
PICCIRILLI, ROBERT
Exec Dt:
07/12/1983
2
CHANG, WEN-HSUAN
Exec Dt:
07/12/1983
Assignee
1
PPG INDUSTRIES, INC.
A CORP. OF PA
PITTSBURGH, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4468492
NONE
06514139
Correspondence name and address
PATENT DEPT.
PPG INDUSTRIES, INC.
ONE PPG PLACE
PITTSBURGH, PA 15272
Assignment: 14
Reel/Frame:004179/0514   Pages: 3
Recorded: 09/26/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
CHANG, WEN-HSUAN
Exec Dt:
09/22/1983
2
CHAU, MICHAEL M.
Exec Dt:
09/22/1983
3
PICCIRILLI, ROBERT
Exec Dt:
09/22/1983
Assignee
1
PPG INDUSTRIES, INC., A PA CORP.
PITTSBURGH, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4696959
NONE
06536143
Correspondence name and address
PATENT DEPARTMENT
PPG INDUSTRIES, INC.
ONE PPG PLACE
PITTSBURGH, PA 15272
Assignment: 15
Reel/Frame:004183/0594   Pages: 4
Recorded: 10/31/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
CHANG, WEN-HSUAN
Exec Dt:
10/13/1983
2
AMBROSE, RONALD R.
Exec Dt:
10/13/1983
3
MC KEOUGH, DAVID T.
Exec Dt:
10/13/1983
4
PORTER, SAMUEL JR.
Exec Dt:
10/13/1983
5
ESLINGER, DELANO R.
Exec Dt:
10/13/1983
Assignee
1
PPG INDUSTRIES, INC., A PA CORP.
PITTSBURGH, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4540766
NONE
06538631
Correspondence name and address
PATENT DEPARTMENT
PPG INDUSTRIES, INC.
ONE PPG PLACE
PITTSBURGH, PA 15272
Assignment: 16
Reel/Frame:004183/0598   Pages: 4
Recorded: 10/31/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
CHANG, WEN-HSUAN
Exec Dt:
10/13/1983
2
AMBROSE, RONALD R.
Exec Dt:
10/13/1983
3
MC KEOUGH, DAVID T.
Exec Dt:
10/13/1983
4
PORTER, SAMUEL JR.
Exec Dt:
10/13/1983
5
JOHNSTON, BYRON K.
Exec Dt:
10/13/1983
Assignee
1
PPG INDUSTRIES, INC., A PA CORP.
PITTSBURGH, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4485228
NONE
06538630
Correspondence name and address
PATENT DEPARTMENT
PPG INDUSTRIES, INC.
ONE PPG PLACE
PITTSBURGH, PA 15272
Assignment: 17
Reel/Frame:004210/0101   Pages: 4
Recorded: 12/12/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
AMBROSE, RONALD R.
Exec Dt:
12/08/1983
2
CHANG, WEN-HSUAN
Exec Dt:
12/08/1983
3
MC KEOUGH, DAVID T.
Exec Dt:
12/08/1983
4
ESLINGER, DELANO R.
Exec Dt:
12/08/1983
5
PORTER, SAMUEL JR.
Exec Dt:
12/08/1983
Assignee
1
PPG INDUSTRIES, INC.
PITTSBURGH, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4535132
NONE
06560688
Correspondence name and address
PPG INDUSTRIES, INC.
ONE GATEWAY CENTER
PITTSBURGH, PA. 15222
Assignment: 18
Reel/Frame:004210/0517   Pages: 2
Recorded: 12/16/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
CHANG, WEN-HSUAN
Exec Dt:
12/14/1983
Assignee
1
PPG INDUSTRIES, INC.
PITTSBURGH, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4588783
NONE
06562318
Correspondence name and address
PATENT DEPARTMENT
PPG INDUSTRIES, INC.
ONE PPG PLACE
PITTSBURGH, PA 15272
Assignment: 19
Reel/Frame:004244/0159   Pages: 3
Recorded: 03/28/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
CHANG, WEN-HSUAN
Exec Dt:
03/07/1984
2
PICCIRILLI, ROBERT
Exec Dt:
03/08/1984
Assignee
1
PPG INDUSTRIES, INC., A CORP OF PA.
PITTSBURGH,, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4528333
NONE
06594185
Correspondence name and address
PATENT DEPARTMENT
PPG INDUSTRIES, INC.
ONE PPG PLACE
PITTSBURGH, PA 15272
Assignment: 20
Reel/Frame:004253/0732   Pages: 3
Recorded: 04/19/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
PICCIRILLI, ROBERT M.
Exec Dt:
04/16/1984
2
MC KEOUGH, DAVID T.
Exec Dt:
04/05/1984
3
CHANG, WEN-HSUAN
Exec Dt:
04/05/1984
Assignee
1
PPG INDUSTRIES INC PITTSBURGH PA A PA CORP
PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4569966
NONE
06602048
Correspondence name and address
PATENT DEPT.
PPG INDUSTRIES, INC.
ONE PPG PLACE
PITTSBURGH, PA 15272
Assignment: 21
Reel/Frame:004263/0681   Pages: 2
Recorded: 05/21/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
CHANG, WEN-HSUAN
Exec Dt:
05/10/1984
Assignee
1
PPG INDUSTRIES, INC.
A CORP. OF PA
PITTSBURGH, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4528344
NONE
06612507
Correspondence name and address
PATENT DEPARTMENT
PPG INDUSTRIES, INC.
ONE PPG PLACE
PITTSBURGH, PA 15272
Assignment: 22
Reel/Frame:004319/0515   Pages: 4
Recorded: 10/01/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
AMBROSE, RONALD R.
Exec Dt:
09/28/1984
2
CHANG, WEN-HSUAN
Exec Dt:
09/28/1984
3
MCKEOUGH, DAVID T.
Exec Dt:
09/28/1984
4
PEFFER, JOHN R.
Exec Dt:
09/28/1984
Assignee
1
PPG INDUSTRIES, INC., A PA CORP.
PITTSBURGH, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4605724
NONE
06656555
Correspondence name and address
PATENT DEPT.
PPG INDUSTRIES, INC.
ONE PPG PLACE
PITTSBURGH, PA 15272
Assignment: 23
Reel/Frame:004319/0521   Pages: 4
Recorded: 10/01/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
AMBROSE, RONALD R.
Exec Dt:
09/28/1984
2
CHANG, WEN-HSUAN
Exec Dt:
09/28/1984
3
MC KEOUGH, DAVID T.
Exec Dt:
09/28/1984
4
PEFFER, JOHN R.
Exec Dt:
09/28/1984
Assignee
1
PPG INDUSTRIES, INC., A PA CORP.
PITTSBURGH, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4543405
NONE
06656559
Correspondence name and address
PATENT DEPT.
PPG INDUSTRIES, INC.
ONE PPG PLACE
PITTSBURGH, PA 15272
Assignment: 24
Reel/Frame:004319/0528   Pages: 4
Recorded: 10/01/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
MC KEOUGH, DAVID T.
Exec Dt:
09/28/1984
2
PEFFER, JOHN R.
Exec Dt:
09/28/1984
3
AMBROSE, RONALD R.
Exec Dt:
09/28/1984
4
CHANG, WEN-HSUAN
Exec Dt:
09/28/1984
Assignee
1
PPG INDUSTRIES, INC., A PA CORP.
PITTSBURGH, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4540771
NONE
06656562
Correspondence name and address
PATENT DEPT.
PPG INDUSTRIES INC.,
ONE PPG PLACE
PITTSBURGH, PA 15272
Assignment: 25
Reel/Frame:004343/0970   Pages: 3
Recorded: 12/07/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
CHANG, WEN-HSUAN
Exec Dt:
12/03/1984
2
AMBROSE, RONALD R.
Exec Dt:
12/03/1984
Assignee
1
PPG INDUSTRIES, INC., A CORP. OF PA
PITTSBURGH, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4548998
NONE
06679187
Correspondence name and address
PATENT DEPARTMENT
PPG INDUSTRIES, INC.
ONE PPG PLACE
PITTSBURGH, PA 15272
Assignment: 26
Reel/Frame:004351/0212   Pages: 2
Recorded: 12/20/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
CHANG, WEN-HSUAN
Exec Dt:
12/12/1984
2
MCKEOUGH, DAVID T.
Exec Dt:
12/12/1984
Assignee
1
PPG INDUSTRIES, INC.
ONE PPG PLACE
A CORP OF PA
PITTSBURGH, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4628076
NONE
06682644
Correspondence name and address
THOMAS M. BREININGER
PATENT DEPT., PPG INDUSTRIES, INC.,
ONE PPG PLACE
PITTSBURGH, PA 15272
Assignment: 27
Reel/Frame:004347/0639   Pages: 4
Recorded: 12/17/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
CHANG, WEN-HSUAN
Exec Dt:
12/13/1984
2
CHAU, MICHAEL MING-KEE
Exec Dt:
12/13/1984
3
ERIKSON, J. ALDEN
Exec Dt:
12/13/1984
4
LIPINSKI, ROBERT J.
Exec Dt:
12/13/1984
5
MCKEOUGH, DAVID T.
Exec Dt:
12/13/1984
6
NUGENT, RICHARD M. JR.,
Exec Dt:
12/13/1984
Assignee
1
PPG INDUSTRIES, INC., A CORP OF PA
PITTSBURGH, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4652605
NONE
06682446
Correspondence name and address
LINDA PINGITORE
PATENT DEPT., PPG INDUSTRIES, INC.,
ONE PPG PLACE
PITTSBURGH, PA 15272
Assignment: 28
Reel/Frame:004403/0070   Pages: 3
Recorded: 04/29/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
CHANG, WEN-HSUAN
Exec Dt:
04/26/1985
2
MC KEOUGH, DAVID T.
Exec Dt:
04/26/1985
3
CHAU, MICHAEL M.
Exec Dt:
04/26/1985
Assignee
1
PPG INDUSTRIES, INC., A CORP.OF PA.
PITTSBURGH, PENNSYLVANIA 15272
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4590254
NONE
06728140
Correspondence name and address
PATENT DEPT.
PPG INDUSTRIES, INC.
ONE PPG PLACE
PITTSBURGH, PA 15272
Assignment: 29
Reel/Frame:004511/0898   Pages: 4
Recorded: 01/30/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
CHANG, WEN-HSUAN
Exec Dt:
01/23/1986
2
DUFFORD, EDWARD L.
Exec Dt:
01/21/1986
3
ERIKSON, J. ALDEN
Exec Dt:
01/21/1986
4
PRUCNAL, PAUL J.
Exec Dt:
01/21/1986
Assignee
1
PPG INDUSTRIES, INC., A CORP OF PA.
PITTSBURGH, PENNSYLVANIA 15272
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4678835
NONE
06824040
Correspondence name and address
PATENT DEPT.
PPG INDUSTRIES, INC.
ONE PPG PLACE
PITTSBURGH, PA 15272
Assignment: 30
Reel/Frame:004576/0618   Pages: 4
Recorded: 07/02/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
CHANG, WEN-HSUAN
Exec Dt:
06/27/1986
2
BLACKBURN, WILLIAM P.
Exec Dt:
06/27/1986
3
PRUCNAL, PAUL J.
Exec Dt:
06/27/1986
4
DUFFORD, EDWARD L.
Exec Dt:
06/30/1986
Assignee
1
PPG INDUSTRIES, INC., A CORP OF PA
PITTSBURGH, PENNSYLVANIA 15272
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4684697
NONE
06881434
Correspondence name and address
PATENT DEPT.
PPG INDUSTRIES, INC.
ONE PPG PLACE
PITTSBURGH, PA 15272
Assignment: 31
Reel/Frame:004802/0576   Pages: 4
Recorded: 12/16/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
O'DWYER, JAMES B.
Exec Dt:
12/11/1987
2
CHANG, WEN-HSUAN
Exec Dt:
12/11/1987
3
SCRIVEN, ROGER L.
Exec Dt:
12/11/1987
4
CHERENKO, JOSEPH
Exec Dt:
12/11/1987
Assignee
1
PPG INDUSTRIES, INC., PITTSBURGH, PA. A CORP. OF PA.
PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4824926
NONE
07133830
Correspondence name and address
PATENT DEPARTMENT
PPG INDUSTRIES, INC.
ONE PPG PLACE
PITTSBURGH, PA 15272
Assignment: 32
Reel/Frame:005218/0988   Pages: 3
Recorded: 01/18/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
CHANG, WEN-HSUAN
Exec Dt:
01/11/1990
2
ERIKSON, J. ALDEN
Exec Dt:
01/11/1990
Assignee
1
PPG INDUSTRIES, INC.
A CORP. OF PA
PITTSBURGH, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4988778
NONE
07466892
Correspondence name and address
GODFRIED R. AKORLI
PPG INDUSTRIES, INC.
ONE PPG PLAZA
PITTSBURGH, PA 15272
Assignment: 33
Reel/Frame:005222/0779   Pages: 3
Recorded: 01/18/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
CHANG, WEN-HSUAN
Exec Dt:
01/11/1990
2
MC ENTIRE, EDWARD E.
Exec Dt:
01/11/1990
3
ERIKSON, J. ALDEN
Exec Dt:
01/11/1990
Assignee
1
PPG INDUSTRIES, INC., PITTSBURGH, PA, A CORP. OF PA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5135992
NONE
07466890
Correspondence name and address
PATENT DEPARTMENT
PPG INDUSTRIES, INC.
ONE PPG PLACE
PITTSBURGH, PA 15272
Assignment: 34
Reel/Frame:005884/0637   Pages: 5
Recorded: 10/15/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
CHANG, WEN-HSUAN
Exec Dt:
10/04/1991
2
GRUNEWALDER, JOHN F.
Exec Dt:
10/07/1991
3
HARLEY, MARK A.
Exec Dt:
10/04/1991
4
MC ENTIRE, EDWARD E.
Exec Dt:
10/04/1991
Assignee
1
PPG INDUSTRIES, INC., A CORP. OF PA
PITTSBURGH, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5354881
NONE
07776040
Correspondence name and address
PATENT DEPARTMENT
PPG INDUSTRIES, INC.
ONE PPG PLACE
PITTSBURGH, PA 15272
Assignment: 35
Reel/Frame:005882/0345   Pages: 5
Recorded: 10/15/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
CHANG, WEN-HSUAN
Exec Dt:
10/14/1991
2
KAUFMAN, MARVIN L.
Exec Dt:
10/14/1991
3
MCENTIRE, EDWARD E.
Exec Dt:
10/14/1991
4
SU, JAMES C.
Exec Dt:
10/14/1991
5
NATESH, ANBAZHAGAN
Exec Dt:
10/14/1991
Assignee
1
PPG INDUSTRIES, INC.,
A CORPORATION OF PA
PITTSBURGH, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5118752
NONE
07776104
Correspondence name and address
PATENT DEPARTMENT
PPG INDUSTRIES, INC.
ONE PPG PLACE
PITTSBURGH, PA 15272
Assignment: 36
Reel/Frame:057276/0980   Pages: 6
Recorded: 08/24/2021
Attorney Dkt #:151421.01001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ICHIDA, JUSTIN K
Exec Dt:
03/21/2021
2
ZHOU, HONGYAN
Exec Dt:
03/21/2021
3
CHANG, WEN-HSUAN
Exec Dt:
03/21/2021
4
ALWORTH, SAMUEL V
Exec Dt:
03/19/2021
Assignee
1
ACURASTEM INCORPORATED
605 E. HUNTINGTON DR., SUITE 103
MONROVIA, CALIFORNIA 91016-6352
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210033597
16732109
Correspondence name and address
JUDY YEDDO
1271 AVENUE OF THE AMERICAS
NEW YORK, NY 10020
Assignment: 37
Reel/Frame:060711/0304   Pages: 6
Recorded: 08/03/2022
Attorney Dkt #:151421-01602
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHANG, WEN-HSUAN
Exec Dt:
07/02/2022
2
LEE, EMILY ELIZABETH
Exec Dt:
07/06/2022
Assignee
1
ACURASTEM, INCORPORATED
605 E. HUNTINGTON DR., SUITE 103
MONROVIA, CALIFORNIA 91016-6352
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220411804
17808247
Correspondence name and address
BLANK ROME LLP
1271 AVENUE OF THE AMERICAS
15TH FLOOR
NEW YORK, NY 10020
Assignment: 38
Reel/Frame:061886/0719   Pages: 5
Recorded: 11/28/2022
Attorney Dkt #:151421-01703
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHANG, WEN-HSUAN
Exec Dt:
08/03/2022
2
ICHIDA, JUSTIN K
Exec Dt:
08/03/2022
Assignee
1
ACURASTEM INCORPORATED
605 E. HUNTINGTON DR., SUITE 103
MONROVIA, CALIFORNIA 91016-6352
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230125137
17870754
Correspondence name and address
BLANK ROME LLP
1271 AVENUE OF THE AMERICAS
NEW YORK, NY 10020
Assignment: 39
Reel/Frame:060742/0582   Pages: 6
Recorded: 08/08/2022
Attorney Dkt #:151421-01602
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHANG, WEN-HSUAN
Exec Dt:
08/08/2022
2
LEE, EMILY ELIZABETH
Exec Dt:
08/08/2022
Assignee
1
ACURASTEM, INCORPORATED
605 E. HUNTINGTON DR., SUITE 103
MONROVIA, CALIFORNIA 91016-6352
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220411804
17808247
Correspondence name and address
BLANK ROME LLP
1271 AVENUE OF THE AMERICAS
15TH FLOOR
NEW YORK, NY 10020

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