IP Library Assignment 008869/0336
Patent Assignment
Reel/Frame 008869/0336

Assignment of Assignor's Interest

Recorded: 1997-12-22 Pages: 19
Assignor
THERMO ELECTRON CORPORATION
Executed: 1997-10-10
Assignee
THERMO TERRATECH INC.
81 WYMAN STREET, WALTHAM, MASSACHUSETTS, 02254
Covered Properties (4)
Roller Hearth Furnace
Patent: 4,343,395 →
Application: 05/850,167 →
Energy Efficient Heat-Treating Furnace System
Patent: 4,225,121 →
Application: 06/023,225 →
Apparatus for Control and Monitoring of the Carbon Potential of an Atmosphere in a Heat-Processing Furnace
Patent: 4,288,062 →
Application: 06/065,308 →
Ceramic Tube Recuperator
Patent: 4,330,031 →
Application: 06/074,899 →
Related Assignments (2)
Other recorded transfers of the patents in this record — the chain of ownership.
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 →