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Patent Assignment Assignor Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignor Name : CHANG, FRANK N.
Total Assignments: 15
Assignment: 1
Reel/Frame:004894/0675   Pages: 1
Recorded: 06/28/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
06/14/1988
2
Exec Dt:
06/14/1988
3
Exec Dt:
06/14/1988
Assignee
1
PHILADELPHIA, PENNSYLVANIA 19122
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07212492
Correspondence name and address
RATNER AND PRESTIA
STE. 412 LEIGHTON BLDG.
500 N. GULPH ROAD, P. O. BOX 980
VALLEY FORGE, PA 19482
Assignment: 2
Reel/Frame:006279/0372   Pages: 3
Recorded: 10/19/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
10/05/1992
Assignee
1
BROAD & OXFORD STREETS
PHILADELPHIA, PENNSYLVANIA 19122
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07930484
Correspondence name and address
PAUL F. PRESTIA
RATNER & PRESTIA
500 N. GULPH RD.
P.O. BOX 980
VALLEY FORGE, PA 19482
Assignment: 3
Reel/Frame:007361/0762   Pages: 5
Recorded: 02/22/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
02/20/1995
2
Exec Dt:
02/21/1995
Assignee
1
BROAD AND OXFORD STREETS
PHILADELPHIA, PENNSYLVANIA 19122
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08393390
Correspondence name and address
RATNER & PRESTIA
VIVIANA AMZEL
500 NORTH GULPH ROAD
VALLEY FORGE, PENNSYLVANIA 19482
Assignment: 4
Reel/Frame:013892/0056   Pages: 3
Recorded: 03/19/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
03/17/2003
2
Exec Dt:
03/17/2003
Assignee
1
BROAD STREET AND OXFORD AVENUE
PHILADELPHIA, PENNSYLVANIA 19122
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10392239
Correspondence name and address
RATHNER PRESTIA
ROBERT L. ANDERSON
P.O. BOX 980, BERWYN
ONE WESTLAKE
VALLEY FORGE, PA 19482-0980
Assignment: 5
Reel/Frame:014649/0015   Pages: 4
Recorded: 11/03/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
10/27/2003
2
Exec Dt:
10/27/2003
Assignee
1
BROAD STREET AND MONTGOMERY AVENUE
PHILADELPHIA, PENNSYLVANIA 19122
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10659003
Correspondence name and address
DRINKER BIDDLE & REATH LLP
DANIEL A. MONACO
ONE LOGAN SQUARE
PHILADELPHIA, PA 19103-6996
Assignment: 6
Reel/Frame:016693/0886   Pages: 3
Recorded: 02/22/2005
Attorney Dkt #:06056-0313US1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
10/27/2003
2
Exec Dt:
10/27/2003
Assignee
1
BROAD STREET AND MONTGOMERY AVENUE
PHILADELPHIA, PENNSYLVANIA 19122
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10525168
Correspondence name and address
DANIEL A. MONACO
DRINKER BIDDLE & REATH LLP
ONE LOGAN SQUARE
18TH AND CHERRY STREETS
PHILADELPHIA, PA 19103-6996
Assignment: 7
Reel/Frame:024414/0872   Pages: 6
Recorded: 05/20/2010
Attorney Dkt #:35926-0331-00-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
02/16/2010
2
Exec Dt:
03/13/2010
3
Exec Dt:
02/09/2010
Assignee
1
BROAD STREET AND MONTGOMERY AVENUE
PHILADELPHIA, PENNSYLVANIA 19122
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12670343
Correspondence name and address
LEOLA P. BRYANT
DRINKER BIDDLE & REATH LLP
ONE LOGAN SQUARE, STE. 2000
PHILADELPHIA, PA 19103-6996
Assignment: 8
Reel/Frame:029986/0642   Pages: 3
Recorded: 03/13/2013
Attorney Dkt #:TUN-607US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/01/2012
2
Exec Dt:
05/01/2012
Assignee
1
BROAD STREET AND MONTGOMERY AVENUE
PHILADELPHIA, PENNSYLVANIA 19122-6099
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
13464174
Correspondence name and address
LISA MEAD
P.O. BOX 980
VALLEY FORGE, PA 19482
Assignment: 9
Reel/Frame:028858/0728   Pages: 6
Recorded: 08/28/2012
Attorney Dkt #:TUN-598US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
08/23/2012
2
Exec Dt:
08/24/2012
3
Exec Dt:
08/23/2012
Assignee
1
1938 LIACOURAS WALK, 2ND FLOOR
OFFICE OF TECHNOLOGY TRANSFER
PHILADELPHIA, PENNSYLVANIA 19122
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
13384014
Correspondence name and address
RATNERPRESTIA
1235 WESTLAKES DRIVE
SUITE 301
BERWYN, PA 19312
Assignment: 10
Reel/Frame:030550/0272   Pages: 6
Recorded: 06/05/2013
Attorney Dkt #:TUN-608US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/01/2013
2
Exec Dt:
05/15/2013
Assignee
1
BROAD STREET AND MONTGOMERY AVENUE
PHILADELPHIA, PENNSYLVANIA 19122-6099
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
13800741
Correspondence name and address
STEPHEN D. HARPER, REG. NO. 33,243
P.O. BOX 980
VALLEY FORGE, PA 19482
Assignment: 11
Reel/Frame:036728/0837   Pages: 4
Recorded: 10/05/2015
Attorney Dkt #:TUN-611US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/21/2014
2
Exec Dt:
07/21/2014
Assignee
1
BROAD STREET AND MONTGOMERY AVENUE
PHILADELPHIA, PENNSYLVANIA 19122-6099
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
14800162
Correspondence name and address
LISA MEAD, REG. NO. 64,253
P.O. BOX 980
VALLEY FORGE, PA 19482
Assignment: 12
Reel/Frame:046293/0828   Pages: 3
Recorded: 07/09/2018
Attorney Dkt #:TUN-614US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
06/28/2018
Assignee
1
BROAD STREET AND MONTGOMERY AVENUE
PHILADELPHIA, PENNSYLVANIA 19122-6099
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
16068629
Correspondence name and address
STEPHEN D. HARPER, REG. NO. 33,243
2200 RENAISSANCE BLVD.
SUITE 350
KING OF PRUSSIA, PA 19406
Assignment: 13
Reel/Frame:047839/0109   Pages: 10
Recorded: 12/21/2018
Attorney Dkt #:PRX-100US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
12/20/2018
2
Exec Dt:
12/19/2018
3
Exec Dt:
12/19/2018
4
Exec Dt:
12/19/2018
Assignee
1
1412 CANDLEBROOK DRIVE
DRESHER, PENNSYLVANIA 19025
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
16227642
Correspondence name and address
RATNERPRESTIA
2200 RENAISSANCE BOULEVARD
SUITE 350
KING OF PRUSSIA, PA 19406
Assignment: 14
Reel/Frame:049135/0765   Pages: 10
Recorded: 05/10/2019
Attorney Dkt #:PRX-101US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/07/2019
2
Exec Dt:
05/07/2019
3
Exec Dt:
05/09/2019
4
Exec Dt:
05/09/2019
Assignee
1
1412 CANDLEBROOK DRIVE
DRESHER, PENNSYLVANIA 19025
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
16408510
Correspondence name and address
RATNERPRESTIA
2200 RENAISSANCE BOULEVARD
SUITE 350
KING OF PRUSSIA, PA 19406
Assignment: 15
Reel/Frame:054293/0689   Pages: 8
Recorded: 11/06/2020
Attorney Dkt #:PRX-103US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
03/24/2020
2
Exec Dt:
03/24/2020
3
Exec Dt:
10/22/2020
4
Exec Dt:
10/21/2020
Assignee
1
1412 CANDLEBROOK DRIVE
DRESHER, PENNSYLVANIA 19025
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
16827145
Correspondence name and address
RATNERPRESTIA
2200 RENAISSANCE BOULEVARD
SUITE 350
KING OF PRUSSIA, PA 19406

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