Patent Assignment
Reel/Frame 003955/0829
Assignment of Assignors Interest.
Recorded: 1982-03-11
Pages: 2
Assignor
W-K-M WELLHEAD SYSTEMS INC
Executed: 1982-03-08
Assignee
ACF INDUSTRIES INCORPORATED
750 THIRD AVE., A CORP. OF NJ, NEW YORK, NEW YORK
Covered Properties
(3)
Control Valve for Fluid Actuator
Patent:
3,943,974 →
Application:
05/560,768 →
Control Valve Having Integral Visual Indicator for Fluid Safety Systems
Patent:
4,137,942 →
Application:
05/705,747 →
Control Valve Having Integral Visual Indicator for Fluid Safety Systems
Patent:
4,194,529 →
Application:
05/944,456 →
Related Assignments
(2)
Other recorded transfers of the patents in this record — the chain of ownership.