IP Library › Assignment 003964/0244
Patent Assignment
Reel/Frame 003964/0244

Assignment of Assignors Interest.

Recorded: 1981-12-07 Pages: 1
Assignor
TOHILL, HENRY O.
Executed: 1981-12-01
Assignee
W-K-M WELLHEAD SYSTEMS, INC.
1500 N. MARKET ST., SUITE A-100, A CORP. OF LA, SHREVEPORT, LOUISIANA, 71107
Covered Property (1)
Metal Seal Assembly with Deformable Sealing Ring
Patent: 4,353,560 →
Application: 06/328,053 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest. Jun 22, 1984
From: ACF INDUSTRIES, INCORPORATED A NEW JERSEY CORP
To: JOY MANUFACTURING COMPANY
Reel/Frame 004280/0243 →
Assignment of Assignors Interest. Jul 19, 1984
From: W-K-M WELLHEAD SYSTEMS, INC.
To: ACF INDUSTRIES, INCORPORATED
Reel/Frame 004284/0238 →