Patent Assignment
Reel/Frame 005990/0129
Assignment of Assignors Interest.
Recorded: 1992-01-27
Pages: 4
Assignor
HOWARD SMITH SCREEN COMPANY, A CORP. OF TX
Executed: 1991-12-31
Assignee
Covered Properties
(4)
Title Not Available
Patent:
3,958,634 →
Application:
05/302,425 →
Title Not Available
Patent:
3,908,256 →
Application:
05/399,839 →
Well Screen Centralizer and Method for Constructing Centralizer and for Joining of Well Screens
Patent:
4,681,161 →
Application:
06/839,955 →
Well Screen Centralizer and Method for Constructing Centralizer and for Joining of Well Screens
Patent:
4,770,336 →
Application:
07/037,335 →
Related Assignments
(1)
Other recorded transfers of the patents in this record — the chain of ownership.