IP Library › Assignment 003790/0644
Patent Assignment
Reel/Frame 003790/0644

Assignment of Assignors Interest.

Recorded: 1980-08-11 Pages: 1
Assignors
STREICH, STEVEN G.
Executed: 1980-08-04
KNOX, LLOYD C.
Executed: 1980-08-04
Assignee
Covered Property (1)
Insertion Type Cementing Baffle
Patent: 4,250,966 →
Application: 06/114,810 →
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Oct 14, 1994
From: HALLIBURTON COMPANY
To: CONTINENTAL EMSCO COMPANY
Reel/Frame 007167/0493 →