Patent Assignment
Reel/Frame 008321/0001
Assignment of Assignor's Interest
Recorded: 1997-01-23
Pages: 3
Assignor
ENTERRA PETROLEUM EQUIPMENT GROUP, INC.
Executed: 1997-01-20
Assignee
EVI ARROW, INC.
SUITE 2760, 5 POST OAK PLACE, HOUSTON, TEXAS, 77027
Covered Properties
(5)
Retrievable Well Bore Packer
Patent:
4,530,398 →
Application:
06/404,386 →
Mechanical Setting Tool
Patent:
4,572,290 →
Application:
06/577,144 →
Sealing Packer
Patent:
4,640,351 →
Application:
06/783,207 →
Retractable Slip Assembly
Patent:
4,813,486 →
Application:
07/100,303 →
Well Packing Tool
Patent:
5,046,557 →
Application:
07/516,645 →
Related Assignments
(9)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Jan 30, 1984
From: GREENLEE, DONALD R.; KLINE, ALBERT E.
To: ARROW OIL TOOLSM INC.
Reel/Frame 004219/0924 →
Assignment of Assignors Interest.
Dec 6, 1984
From: CLIFTON, TED G.
To: ARROW OIL TOOLS, INC.
Reel/Frame 004337/0024 →
Assignment of Assignors Interest.
May 22, 1986
From: CLIFTON, TED G.; BROOKEY, ROBERT L.
To: ARROW OIL TOOLS, INC., A DIVISION OF MASCO INDUSTRIES, INC.
Reel/Frame 004552/0573 →
Assignment of Assignors Interest.
Jun 27, 1988
From: WYATT, MARK L.; TUCKER, ANDREW J.
To: ARROW OIL TOOLS, INC., A DE. CORP.
Reel/Frame 004903/0217 →
Assignment of Assignors Interest.
Jul 8, 1991
From: MANDERSCHEID, PHILLIP H.
To: MASX ENERGY SERVICES GROUP, INC. A DELAWARE CORPORATIOIN
Reel/Frame 005756/0178 →
Merger
Nov 18, 1993
From: ARROW OIL TOOLS, INC.
To: LINDSEY COMPLETION SYSTEMS, INC.
Reel/Frame 006777/0360 →
Change of Name
Dec 3, 1993
From: LINDSEY COMPLETION SYSTEMS, INC.
To: MASX ENERGY SERVICES GROUP, INC.
Reel/Frame 006783/0444 →
Change of Name
Nov 29, 1996
From: TOTAL ENERGY SERVICES COMPANY
To: ENTERRA PETROLEUM EQUIPMENT GROUP, INC.
Reel/Frame 008239/0795 →
Assignment of Assignor's Interest
Apr 18, 2005
From: WEATHERFORD U.S., L.P.
To: WEATHERFORD/LAMB, INC.
Reel/Frame 015918/0097 →