Patent Assignment
Reel/Frame 003910/0281
Assignment of Assignors Interest.
Recorded: 1981-08-10
Pages: 2
Assignee
BROWN OIL TOOLS, INC., A CORP. OF TEX.
P.O. BOX 2539, HOUSTON, TEXAS, 77001
Covered Property
(1)
Device for Tapping and Plugging a Fluid Conductor
Patent:
4,450,857 →
Application:
06/291,661 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.