Patent Assignment
Reel/Frame 004645/0273
Change of Name Effective: 8/11/86
Recorded: 1986-12-04
Pages: 4
Assignor
QCO INCORPORATED
Executed: 1986-08-08
Assignee
Covered Properties
(2)
Automatic Detector for Microscopic Dust on Large-Area, Optically Unpolished Surfaces
Patent:
4,402,607 →
Application:
06/150,363 →
Surface Inspection Apparatus
Patent:
4,772,127 →
Application:
06/682,794 →
Related Assignments
(8)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Feb 15, 1985
From: CHASE, ERIC T.; BROUDE, SERGEY V.; QUACKENBOS, GEORGE S.
To: GCA CORPORATION
Reel/Frame 004374/0048 →
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 →
Assignment of Assignors Interest.
Aug 11, 1986
From: GCA CORPORATION
To: QCO, INC., A CORP OF DE.
Reel/Frame 004588/0071 →
Security Interest
Dec 23, 1986
From: GCA CORPORATION, A DE CORP
To: BANK OF NEW ENGLAND N.A. (AS AGENT)
Reel/Frame 004730/0239 →
Change of Name
Jun 20, 1988
From: QCO INCORPORATED
To: GCA CORPORATION, A CORP. OF DE
Reel/Frame 004904/0696 →
Security Interest
Apr 15, 1996
From: QC OPTICS, INC.
To: STATE STREET BANK AND TRUST COMPANY
Reel/Frame 008669/0943 →
Termination
Aug 11, 1998
From: STATE STREET BANK AND TRUST COMPANY
To: QC OPTICS INC.
Reel/Frame 009367/0908 →
Assignment of Assignor's Interest
Sep 23, 1998
From: MONITORING INSTRUMENTS FOR THE ENVIRONMENT, INC.
To: THERMO ENVIRONMENTAL INSTRUMENTS INC.
Reel/Frame 009472/0895 →