Patent Assignment
Reel/Frame 003872/0326
Assignment of Assignors Interest.
Recorded: 1981-03-12
Pages: 4
Assignor
LE BEGUE MAURICE K.
Executed: 1981-03-05
Assignee
NATIONAL MINE SERVICE COMPANY, A CORP. OF WV.
PITTSBURGH, PENNSYLVANIA
Covered Property
(1)
Mining Machine Loading Bin Mounted on Boom Structure and Method
Patent:
4,380,354 →
Application:
06/242,832 →
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Aug 10, 1989
From: BAKER HUGHES INCORPORATED
To: TAMROCK WORLD CORPORATION N.V., C/O PIERSON, HELDRING & PIERSON
Reel/Frame 005252/0056 →
Assignment of Assignors Interest.
Feb 14, 1990
From: NATIONAL MINE SERVICE COMPANY
To: BAKER HUGHES INCORPORATED, A CORP. OF DELAWARE
Reel/Frame 005284/0463 →
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 →
Assignment of Assignor's Interest
Dec 8, 2003
From: EIMCO LLC
To: DBT AMERICA INC.
Reel/Frame 014178/0354 →