Patent Assignment
Reel/Frame 004228/0972
Assignment of Assignors Interest.
Recorded: 1983-11-14
Pages: 1
Assignor
WALTON, FRANK J.
Executed: 1983-10-19
Assignee
GCA CORPORATION, A CORP OF DE
209 BURLINGTON ROAD, BEDFORD, MASSACHUSETTS
Covered Property
(1)
Gas Feed for Reactive Ion Etch System
Patent:
4,496,423 →
Application:
06/550,801 →
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest
May 22, 1986
From: GCA CORPORATION
To: BANK OF NEW ENGLAND, N.A., AS THE SECURED PARTIES AND AS AGENT FOR OTHER BANKS RECITED.
Reel/Frame 004620/0001 →
Security Interest
Dec 23, 1986
From: GCA CORPORATION, A DE CORP
To: BANK OF NEW ENGLAND N.A. (AS AGENT)
Reel/Frame 004730/0239 →
Security Interest
Dec 23, 1986
From: GCA CORPORATION, A DE CORP
To: CARL ZEISS, INC., A NY CORP
Reel/Frame 004730/0276 →
Security Interest
Apr 27, 1987
From: GCA CORPORATION, A DE. CORP.
To: BANK OF NEW ENGLAND, N.A., AS AGENT
Reel/Frame 004701/0138 →
Release and Discharge of Security Interest in Patents
Feb 2, 1994
From: FLEET BANK OF MASSACHUSETTS, N.A. (SEE DOCUMENT FOR DETAILS)
To: GENERAL SIGNAL TECHNOLOGY CORPORATION
Reel/Frame 006845/0721 →
Security Interest
Feb 2, 1994
From: FLEET BANK OF MASSACHUSETTS, N.A.
To: GENERAL SIGNAL TECHNOLOGY CORPORATION
Reel/Frame 006850/0394 →
Release and Discharge of Security Interest in Patents
Feb 2, 1994
From: FLEET BANK OF MASSACHUSETTS, N.A. (SEE DOCUMENT FOR DETAILS)
To: GENERAL SIGNAL TECHNOLOGY CORPORATION
Reel/Frame 006845/0696 →