Patent Assignment
Reel/Frame 005840/0505
Assignment of Assignors Interest.
Recorded: 1991-09-09
Pages: 3
Assignor
BOISTURE, THOMAS B.
Executed: 1991-08-29
Covered Property
(1)
Method for Cleaning Tube Bundles Using a Slurry
Patent:
5,160,548 →
Application:
07/756,616 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 4, 1993
From: OHMSTEDE MECHANICAL SERVICES, INC.
To: C.H. HEIST CORP.
Reel/Frame 006646/0053 →
Assignment of Assignor's Interest
Mar 24, 2000
From: C.H. HEIST CORP.
To: ONYX INDUSTRIAL SERVICES, INC.
Reel/Frame 010710/0266 →
Change of Name
Aug 3, 2006
From: ONYX INDUSTRIAL SERVICES, INC.
To: VEOLIA ES INDUSTRIAL SERVICES, INC.
Reel/Frame 018039/0969 →