Patent Assignment
Reel/Frame 008869/0392
Change of Name
Recorded: 1997-12-22
Pages: 4
Assignor
THERMO PROCESS SYSTEMS INC.
Executed: 1995-12-14
Assignee
THERMO TERRATECH INC.
81 WYMAN STREET, WALTHAM, MASSACHUSETTS, 02254
Covered Properties
(2)
Rotary Furnace Oil Seal Employing Endothermic Gas Purge
Patent:
5,164,145 →
Application:
07/595,039 →
Method of Heat Treating Metal Parts in an Intergrated Continuos and Batch Furnace System
Patent:
5,143,558 →
Application:
07/667,464 →
Related Assignments
(5)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Dec 6, 1990
From: SMITH, JOHN W.
To: HOLCROFT, INC., A DE CORP.
Reel/Frame 005547/0284 →
Assignment of Assignors Interest.
Jun 7, 1991
From: SMITH, JOHN W.
To: THERMO PROCESS SYSTEMS INC. A DE CORPORATION
Reel/Frame 005722/0779 →
Merger Effective on 12/14/1990DE
Aug 29, 1991
From: HOLCROFT INC. (MERGED INTO)
To: THERMO PROCESS SYSTEMS INC.
Reel/Frame 005814/0757 →
Assignment of Assignor's Interest
Dec 31, 1997
From: THERMO TERRATECH, INC.
To: HOLCROFT L.L.C.
Reel/Frame 008886/0520 →
Security Interest
Feb 17, 1998
From: HOLCROFT L.L.C.
To: COMERICA BANK
Reel/Frame 008943/0596 →