IP Library › Assignment 006115/0335
Patent Assignment
Reel/Frame 006115/0335

Assignment of Assignors Interest.

Recorded: 1992-05-18 Pages: 3
Assignor
LAI, YING-SAN
Executed: 1992-05-01
Assignee
DRESSER INDUSTRIES
A CORP. OF DE., DALLAS, TEXAS
Covered Property (1)
Pressure Relief Valve with Auxiliary Loading Device
Patent: 5,234,023 →
Application: 07/843,853 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Nunc Pro Tunc Assignment Feb 25, 2002
From: DRESSER INDUSTRIES, INC.
To: DRESSER EQUIPMENT GROUP, INC.
Reel/Frame 012665/0947 →
Change of Name Feb 25, 2002
From: DRESSER EQUIPMENT GROUP, INC.
To: DRESSER, INC. ( A DELAWARE CORPORATION)
Reel/Frame 012676/0191 →