Patent Assignment
Reel/Frame 006559/0741
Assignment of Assignor's Interest
Recorded: 1993-04-26
Pages: 3
Assignors
GUPTA, D.V. SATYANARAYANA
Executed: 1993-04-21
PAKULSKI, MAREK K.
Executed: 1993-04-21
PRASEK, BETHICIA M.
Executed: 1993-04-21
Assignee
WESTERN COMPANY OF NORTH AMERICA, THE
SUITE 1200, 515 POST OAK BOULEVARD, HOUSTON, TEXAS, 77027
Covered Property
(1)
Fracturing Fluid Having a Delayed Enzyme Breaker
Patent:
5,226,479 →
Application:
07/818,526 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.