Patent Assignment
Reel/Frame 004166/0417
Assignment of Assignors Interest.
Recorded: 1983-07-15
Pages: 2
Assignor
SAPOFF, PAUL C.
Executed: 1983-07-13
Assignee
CATALYST TECHNOLOGY INC., A KY CORP.
4414 OLD LAGRANGE RD., P.O. BOX 115, BUCKNER, KENTUCKY, 40010
Covered Property
(1)
Catalyst Recovery Trough for Unloading Multi-Tube Reactors with Maximum Dust Containment
Patent:
4,820,496 →
Application:
06/514,287 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Dec 26, 1989
From: UNION CARBIDE INDUSTRIAL GASES INC., A CORP. OF DE
To: UNION CARBIDE INDUSTRIAL GASES TECHNOLOGY CORPORATION
Reel/Frame 005206/0425 →
Change of Name Effective on 06/12/1992
Dec 3, 1992
From: UNION CARBIDE INDUSTRIAL GASES TECHNOLOGY CORPORATION
To: PRAXAIR TECHNOLOGY, INC.
Reel/Frame 006337/0037 →
Assignment of Assignor's Interest
May 8, 2002
From: CATALYST TECHNOLOGY, INC.
To: CAT TECH INC.
Reel/Frame 012698/0326 →
Invalid Assignment, See Recording at Reel 012698, Frame 0326. (Re-Recorded to Correct Recordation Date from 5-14-2002 to 5-08-2002)
May 14, 2002
From: CATALYST TECHNOLOGY, INC.
To: CAT TECH, INC.
Reel/Frame 012683/0881 →