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Patent Assignment Assignor Details
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Assignor Name : LEON, DAVID D.
Total Assignments: 10
Assignment: 1
Reel/Frame:005264/0401   Pages: 3
Recorded: 03/22/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
LAUSE, HERBERT J.
Exec Dt:
03/19/1990
2
PARKS, KRISTEN L.
Exec Dt:
03/14/1990
3
TANIS, LARRY D.
Exec Dt:
03/19/1990
4
LEON, DAVID D.
Exec Dt:
03/16/1990
Assignee
1
ALUMINUM COMPANY OF AMERICA, PITTSBURGH, PA A CORP. OF PA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5338611
NONE
07481296
Correspondence name and address
GLENN E. KLEPAC
ALUMINUM COMPANY OF AMERICA
ALCOA CENTER, PA 15069
Assignment: 2
Reel/Frame:005646/0397   Pages: 4
Recorded: 03/21/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
YU, HO
Exec Dt:
02/20/1991
2
BRUCE, DOUGLAS L.
Exec Dt:
03/14/1991
3
STIFFLER, RICHARD C.
Exec Dt:
02/28/1991
4
LEON, DAVID D.
Exec Dt:
03/13/1991
5
GLOGOWSKI, FRANCIS J.
Exec Dt:
02/21/1991
Assignee
1
ALUMINUM COMPANY OF AMERICA
A CORP. OF PA
PITTSBURGH, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5148853
NONE
07647332
Correspondence name and address
JOYCE F. LANEY
ALUMINUM COMPANY OF AMERICA
ALCOA CENTER, PA 15069
Assignment: 3
Reel/Frame:008908/0551   Pages: 8
Recorded: 01/16/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEON, DAVID D.
Exec Dt:
11/25/1997
2
KOZAREK, ROBERT L.
Exec Dt:
12/12/1997
3
MANSOUR, ADEL
Exec Dt:
12/20/1997
4
CHIGIER, NORMAN
Exec Dt:
12/02/1997
Assignee
1
ALUMINUM COMPANY OF AMERICA
1501 ALCOA BUILDING
PITTSBURGH, PENNSYLVANIA 15219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5968601
NONE
08915230
Correspondence name and address
ALUMINUM COMPANY OF AMERICA
GARY P. TOPOLOSKY, ESQ.
INTELLECTUAL PROPERTY LAW DIVISION
ALCOA TECHNICAL CENTER/100 TECHNICAL DR.
ALCOA CENTER, PA 15069-0001
Assignment: 4
Reel/Frame:009025/0886   Pages: 4
Recorded: 03/02/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RIOJA, ROBERTO J.
Exec Dt:
02/27/1998
2
CHU, MEN G.
Exec Dt:
02/27/1998
3
HILDEMAN, GREGORY J.
Exec Dt:
02/27/1998
4
LEON, DAVID D.
Exec Dt:
02/27/1998
5
KOZAREK, ROBERT L.
Exec Dt:
02/26/1998
Assignee
1
ALUMINUM COMPANY OF AMERICA
1501 ALCOA BUILDING
PITTSBURGH, PENNSYLVANIA 15219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6250362
NONE
09033248
Correspondence name and address
ALUMINUM COMPANY OF AMERICA
GARY P. TOPOLOSKY, ESQ.
INTELLECTUAL PROPERTY LAW DIVISION
ALCOA TECHNICAL CTR., 100 TECHNICAL DR.
ALCOA CENTER, PA 15069-0001
Assignment: 5
Reel/Frame:010525/0175   Pages: 4
Recorded: 01/12/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEON, DAVID D.
Exec Dt:
09/02/1999
2
KOZAREK, ROBERT L.
Exec Dt:
08/26/1999
3
MANSOUR, ADEL
Exec Dt:
10/25/1999
4
CHIGIER, NORMAN
Exec Dt:
11/05/1999
Assignee
1
ALCOA INC.
ALCOA CORPORATE CENTER
201 ISABELLA STREET
PITTSBURGH, PENNSYLVANIA 15212
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6258166
NONE
09378885
Correspondence name and address
ALCOA INC.
GARY P. TOPOLOSKY, ESQ.
IP LAW DIVISION, ALCOA TECHNICAL CENTER
100 TECHNICAL DRIVE
ALCOA CENTER, PA 15069-0001
Assignment: 6
Reel/Frame:013267/0374   Pages: 5
Recorded: 09/05/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BRYANT, J. DANIEL
Exec Dt:
06/10/2002
2
WIESERMAN, LARRY F.
Exec Dt:
06/10/2002
3
CROWLEY, MARK D.
Exec Dt:
06/10/2002
4
LEON, DAVID D.
Exec Dt:
06/13/2002
5
KALLIVAYALIL, JACOB A.
Exec Dt:
06/10/2002
Assignee
1
ALCOA INC.
201 ISABELLA STREET
ALCOA CORPORATE CENTER
PITTSBURGH, PENNSYLVANIA 15212-5858
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040079198
10150338
Correspondence name and address
ALCOA INC.
DAVID PEARCE-SMITH
ALCOA TECHNICAL CENTER
100 TECHNICAL DRIVE
ALCOA CENTER, PA 15069-0001
Assignment: 7
Reel/Frame:015054/0574   Pages: 7
Recorded: 03/02/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CROWLEY, MARK D.
Exec Dt:
02/17/2004
2
BRYANT, J. DANIEL
Exec Dt:
02/26/2004
3
LEON, DAVID D.
Exec Dt:
02/18/2004
4
KALLIVAYALIL, JACOB A.
Exec Dt:
02/18/2004
5
GENITO, JOSEPH R.
Exec Dt:
02/17/2004
6
STEWART, PATRICIA A.
Exec Dt:
02/17/2004
7
SCHRALL, DOROTHY M.
Exec Dt:
02/17/2004
8
WIESERMAN, LARRY F.
Exec Dt:
02/17/2004
9
DAVIS, LARRY B.
Exec Dt:
02/25/2004
Assignee
1
ALCOA INC.
201 ISABELLA STREET
ALCOA CORPORATE CENTER
PITTSBURGH, PENNSYLVANIA 15212-5858
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040163492
10792501
Correspondence name and address
ECKERT SEAMANS CHERIN & MELLOTT, LLC
DANIEL P. CILLO, ESQ.
ALCOA TECHNICAL CENTER
100 TECHNICAL DRIVE
ALCOA CENTER, PA 15069-0001
Assignment: 8
Reel/Frame:015836/0340   Pages: 3
Recorded: 09/30/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
LEON, DAVID D.
Exec Dt:
09/23/2004
Assignee
1
ALCOA INC.
201 ISABELLA STREET
PITTSBURGH, PENNSYLVANIA 15212-5858
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050262967
10855758
Correspondence name and address
ECKERT SEAMANS CHERIN & MELLOTT, LLC
ARNOLD B. SILVERMAN, ESQ.
600 GRANT STREET
44TH FLOOR
PITTSBURGH, PA 15219
Assignment: 9
Reel/Frame:015895/0618   Pages: 2
Recorded: 03/14/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YU, HO
Exec Dt:
02/22/2005
2
LEON, DAVID D.
Exec Dt:
02/22/2005
3
HUMMEL, ALLEN M.
Exec Dt:
03/11/2005
Assignee
1
ALCOA INC.
201 ISABELLA STREET
PITTSBURGH, PENNSYLVANIA 15212-5858
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7011140
NONE
10977006
Correspondence name and address
NORMAN F. HAINER, JR.
100 TECHNICAL DRIVE
ALCOA CENTER, PA 15069
Assignment: 10
Reel/Frame:015897/0921   Pages: 4
Recorded: 03/14/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YU, HO
Exec Dt:
02/22/2005
2
LEON, DAVID D.
Exec Dt:
03/01/2005
3
HUMMEL, ALLEN M.
Exec Dt:
03/11/2005
Assignee
1
ALCOA INC.
201 ISABELLA STREET
PITTSBURGH, PENNSYLVANIA 15212-5858
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7011140
NONE
10977006
Correspondence name and address
NORMAN F. HAINER, JR.
100 TOCHNICAL DRIVE
ALCOA CENTER, PA 15069

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