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Patent Assignment Abstract of Title
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Total Assignments: 6
Patent #:
4635218
Issue Dt:
01/06/1987
Application #:
06574813
Filing Dt:
01/30/1984
Inventor:
L. CURTIS WIDDOES JR
Title:
METHOD FOR SIMULATING SYSTEM OPERATION OF STATIC AND DYNAMIC CIRCUIT DEVICES
Assignment: 1
Reel/Frame:
004269/0022Recorded: 01/30/1984Pages: 1
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
WIDDOES, L. CURTIS JR
Exec Dt:
01/25/1984
Assignee:
VALID LOGIC SYSTEMS, INC., 1395 CHARLESTON AVENUE, MOUNTAIN VIEW, CA 94043
Correspondent:
TOWNSEND AND TOWNSEND
STEUART STREET TOWER, ONE MARKET PLAZA
SAN FRANCISCO, CA 94105
Assignment: 2
Reel/Frame:
004844/0596Recorded: 01/29/1988Pages: 13
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS).
Assignor:
VALID LOGIC SYSTEMS INCORPORATED, A CA. CORP.
Exec Dt:
02/02/1987
Assignee:
VALID LOGIC SYSTEMS INCORPORATED (DELAWARE), A DE. CORP.
DELAWARE
Correspondent:
FISH & NEAVE
875 THIRD AVENUE
NEW YORK, N.Y. 10022-6250
Assignment: 3
Reel/Frame:
004832/0477Recorded: 02/11/1988Pages: 8
Conveyance:
MORTGAGE (SEE DOCUMENT FOR DETAILS).
Assignor:
VALID LOGIC SYSTEMS INCORPORATED
Exec Dt:
01/29/1988
Assignee:
LOGIC MODELING SYSTEMS INCORPORATED
A CORP. OF DE
NOT PROVIDED
Correspondent:
WILSON, SONSINI, GOODRICH & ROSATI
TWO PALO ALTO SQUARE
STE. 900
PALO ALTO, CA 94306
Assignment: 4
Reel/Frame:
006319/0548Recorded: 11/06/1992Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
VALID LOGIC SYSTEMS INCORPORATED A DE CORPORATION
Exec Dt:
04/22/1991
Assignee:
LOGIC MODELING SYSTEMS INCORPORATED A DE CORPORATION
1520 MCCANDLESS DRIVE
MILPITAS, CALIFORNIA 95035
Correspondent:
KENNETH R. ALLEN
TOWNSEND AND TOWNSEND
TWENTIETH FLOOR, ONE MARKET PLAZA
STEUART STREET TOWER
SAN FRANCISCO, CA 94105-1492
Assignment: 5
Reel/Frame:
006206/0825Recorded: 07/24/1992Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST, EFFECTIVE 5-6-92.
Assignor:
LOGIC MODELING SYSTEMS INCORPORATED, A CORP. OF DE
Exec Dt:
07/17/1992
Assignee:
LOGIC MODELING CORPORATION
19500 NORTHWEST GIBBS DRIVE
BEAVERTON, OREGON 97006
Correspondent:
TOWNSEND AND TOWNSEND
KENNETH R. ALLEN
TWENTIETH FLOOR - STEUART STREET TOWER
ONE MARKET PLAZA
SAN FRANCISCO, CA 94105-1492
Assignment: 6
Reel/Frame:
007888/0614Recorded: 04/12/1996Pages: 5
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS).
Assignor:
LOGIC MODELING CORPORATION
Exec Dt:
04/28/1994
Assignee:
SYNOPSYS, INC.
700 EAST MIDDLEFIELD ROAD
MOUNTAIN VIEW, CALIFORNIA 94043
Correspondent:
TOWNSEND AND TOWNSEND AND CREW
KENNETH R. ALLEN
TWENTIETH FLOOR, STEUART STREET TOWER
ONE MARKET PLAZA
SAN FRANCISCO, CALIFORNIA 94105-1492

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