IP Library Assignment 006980/0005
Patent Assignment
Reel/Frame 006980/0005

Assignment of Assignor's Interest

Recorded: 1994-05-09 Pages: 3
Assignor
BOISTURE, THOMAS B.
Executed: 1994-05-02
Assignee
C. H. HEIST CORP.
P.O. BOX 537, BAYTOWN, TEXAS, 77522
Covered Property (1)
Furnace Cleaning Apparatus
Patent: 5,381,811 →
Application: 08/204,583 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →