Patent Assignment
Reel/Frame 004072/0998
Assignment of Assignors Interest.
Recorded: 1982-01-05
Pages: 2
Assignee
ENVIROTECH CORPORATION
SALT LAKE CITY, UTAH, 84110
Covered Property
(1)
Vehicle Oscillation Lock
Patent:
4,465,293 →
Application:
06/437,497 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Aug 10, 1989
From: ENVIROTECH CORPORATION
To: TAMROCK WORLD CORPORATION N.V., C/O PIERSON, HELDRING & PIERSON
Reel/Frame 005252/0145 →
Assignment of Assignor's Interest
Dec 27, 1993
From: TAMROCK WORLD CORPORATION, N.V.
To: EIMCO COAL MACHINERY, INC.
Reel/Frame 006817/0690 →
Assignment of Assignor's Interest
Jul 13, 1999
From: EIMCO COAL MACHINERY INC.
To: EIMCO LLC
Reel/Frame 010086/0200 →