skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
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 : LEPPEK, KEVIN G.
Total Assignments: 14
Assignment: 1
Reel/Frame:004640/0906   Pages: 1
Recorded: 10/10/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
LEPPEK, KEVIN G.
Exec Dt:
10/01/1986
2
WALENTY, ALLEN J.
Exec Dt:
10/01/1986
Assignee
1
GENERAL MOTORS CORPORATION, A CORP. OF DE.
DETROIT, MICHIGAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4750125
NONE
06917779
Correspondence name and address
HOWARD N. CONKEY
GENERAL MOTORS CORP., PATENT SECTION
P. O. BOX 33114
DETROIT, MI 48232
Assignment: 2
Reel/Frame:004810/0925   Pages: 1
Recorded: 11/13/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
WALENTY, ALLEN J.
Exec Dt:
10/28/1987
2
LEPPEK, KEVIN G.
Exec Dt:
10/28/1987
Assignee
1
GENERAL MOTORS CORPORATION, DETROIT, MICHIGAN, A CORP. OF DE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4835695
NONE
07120597
Correspondence name and address
HOWARD N. CONKEY
GENERAL MOTORS CORP., PAT. SECTION
P. O. BOX 33114
DETROIT, MI 48232
Assignment: 3
Reel/Frame:005038/0969   Pages: 1
Recorded: 02/03/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
LEPPEK, KEVIN G.
Exec Dt:
01/16/1989
Assignee
1
GENERAL MOTORS CORPORATION, DETROIT MICHIGAN, A CORP. OF DE.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4881784
NONE
07305574
Correspondence name and address
HOWARD N. CONKEY
GENERAL MOTORS CORPORATION
PATENT SECTION
P.O. BOX 33114
DETROIT, MI 48232
Assignment: 4
Reel/Frame:005054/0073   Pages: 2
Recorded: 03/13/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
LEPPEK, KEVIN G.
Exec Dt:
02/24/1989
2
KADE, ALEX
Exec Dt:
02/24/1989
3
WALENTY, ALLEN J.
Exec Dt:
02/24/1989
Assignee
1
GENERAL MOTORS CORPORATION,
A CORP. OF DE
DETROIT,, MICHIGAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4917445
NONE
07322138
Correspondence name and address
HOWARD N. CONKEY
GENERAL MOTORS CORPORATION
PATENT SECTION
P. O. BOX 33114
DETROIT, MI 48232
Assignment: 5
Reel/Frame:005062/0920   Pages: 2
Recorded: 04/13/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
WALENTY, ALLEN J.
Exec Dt:
04/06/1989
2
LEPPEK, KEVIN G.
Exec Dt:
04/06/1989
3
KADE, ALEX
Exec Dt:
04/06/1989
Assignee
1
GENERAL MOTORS CORPORATION, DETROIT, MI, A CORP. OF DE
MICHIGAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4916619
NONE
07337726
Correspondence name and address
HOWARD N. CONKEY
GENERAL MOTORS CORPORATION
PATENT SECTION
P.O. BOX 33114
DETROIT, MI 48232
Assignment: 6
Reel/Frame:005107/0619   Pages: 4
Recorded: 07/17/1989
Conveyance: ASSIGNMENT OF A PART OF ASSIGNORS INTEREST
Assignors
1
MIKHAEIL-BOULES, NAILA
Exec Dt:
06/09/1989
2
HAMMERSMITH, ROBERT J.
Exec Dt:
06/09/1989
3
LEPPEK, KEVIN G.
Exec Dt:
06/09/1989
4
WILKEY, PAUL D.
Exec Dt:
06/20/1989
5
GARDNER, THOMAS H.
Exec Dt:
06/20/1989
6
RICKER, DENNIS J.
Exec Dt:
06/21/1989
7
KOWALIK, JAMES J.
Exec Dt:
06/21/1989
Assignee
1
GENERAL MOTORS CORPORATION, A CORP. OF DE
DETROIT, MICHIGAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5000523
NONE
07352971
Correspondence name and address
ERNEST E. HELMS
GENERAL MOTORS CORP.
PAT. SECT., P. O. BOX 33114
DETROIT, MI 48232
Assignment: 7
Reel/Frame:005458/0814   Pages: 2
Recorded: 09/26/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
LEPPEK, KEVIN G.
Exec Dt:
09/17/1990
Assignee
1
GENERAL MOTORS CORPORATION
DETROIT, MICHIGAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5106171
NONE
07565308
Correspondence name and address
HOWARD N. CONKEY
GENERAL MOTORS CORP.
PAT. SECT., P.O. BOX 33114
DETROIT, MI 48232
Assignment: 8
Reel/Frame:005523/0140   Pages: 2
Recorded: 10/29/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
LEPPEK, KEVIN G.
Exec Dt:
10/12/1990
Assignee
1
GENERAL MOTORS CORPORATION, A CORP. OF DE
DETROIT,, MICHIGAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5080447
NONE
07578820
Correspondence name and address
HOWARD N. CONKEY
GENERAL MOTORS CORPORATION
PATENT SECTION
P.O. BOX 33114
DETROIT, MI 48232
Assignment: 9
Reel/Frame:005605/0899   Pages: 2
Recorded: 02/01/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
LEPPEK, KEVIN G.
Exec Dt:
01/15/1991
Assignee
1
GENERAL MOTORS CORPORATION, A CORP. OF DE
DETROIT,, MICHIGAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5102207
NONE
07620418
Correspondence name and address
HOWARD N. CONKEY
GENERAL MOTORS CORP.
PAT. SECT.
P. O. BOX 33114
DETROIT, MI 48232
Assignment: 10
Reel/Frame:006019/0589   Pages: 4
Recorded: 12/16/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
LEPPEK, KEVIN G.
Exec Dt:
12/04/1991
2
WALENTY, ALLEN J.
Exec Dt:
12/04/1991
Assignee
1
GENERAL MOTORS CORPORATION
A CORPORATION OF DELAWARE
DETROIT, MICHIGAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5163743
NONE
07808146
Correspondence name and address
HOWARD N. CONKEY
GENERAL MOTORS CORP.
3031 WEST GRAND BLVD.
P.O. BOX 33114
DETROIT, MI 48232
Assignment: 11
Reel/Frame:006239/0146   Pages: 3
Recorded: 08/10/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KADE, ALEXANDER
Exec Dt:
07/14/1992
2
LEPPEK, KEVIN G.
Exec Dt:
07/14/1992
Assignee
1
GENERAL MOTORS CORPORATION, A CORP. OF DE
DETROIT, MICHIGAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5320421
NONE
07926424
Correspondence name and address
HOWARD N. CONKEY
GENERAL MOTORS CORPORATION
LEGAL STAFF
P.O. BOX 33114
DETROIT, MI 48232
Assignment: 12
Reel/Frame:006185/0640   Pages: 2
Recorded: 08/10/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
LEPPEK, KEVIN G.
Exec Dt:
07/16/1992
Assignee
1
GENERAL MOTORS CORPORATION A CORP. OF DE
DETROIT, MICHIGAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5246281
NONE
07926439
Correspondence name and address
ERNEST E. HELMS
GENERAL MOTORS CORPORATION
LEGAL STAFF
P.O. BOX 33114
DETROIT, MI 48232
Assignment: 13
Reel/Frame:007291/0997   Pages: 3
Recorded: 12/14/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WALENTY, ALLEN J.
Exec Dt:
12/07/1994
2
LEPPEK, KEVIN G.
Exec Dt:
12/07/1994
3
KADE, ALEXANDER
Exec Dt:
12/07/1994
Assignee
1
GENERAL MOTORS CORPORTION
POST OFFICE BOX 33114
DETROIT, MICHIGAN 48323
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5558409
NONE
08355468
Correspondence name and address
MICHAEL J. BRIDGES
GENERAL MOTORS CORPORATION
LEGAL STAFF
POST OFFICE BOX 33114
DETROIT, MI 48232
Assignment: 14
Reel/Frame:014271/0047   Pages: 2
Recorded: 07/16/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WALENTY, ALLEN J.
Exec Dt:
04/30/2003
2
LEPPEK, KEVIN G.
Exec Dt:
04/30/2003
3
WOLF, CALVIN E.
Exec Dt:
04/30/2003
Assignee
1
GENERAL MOTORS CORPORATION
DETROIT, MICHIGAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6748311
NONE
10431743
Correspondence name and address
GENERAL MOTORS CORPORATION
CHRISTOPHER DEVRIES
LEGAL STAFF, MAIL CODE 482-C23-B21
P.O. BOX 300
DETROIT, MI 48265-3000

Search Results as of: 06/16/2024 11:40 PM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT