Patent Assignment
Reel/Frame 009214/0455
Assignment of Assignor's Interest
Recorded: 1998-05-22
Pages: 6
Assignor
DAMCO SERVICES, INC.
Executed: 1998-01-28
Assignee
DAILEY INTERNATIONAL INC.
P.O. BOX 1863, ONE LAWRENCE CENTRE, CONROE, TEXAS, 77305
Covered Properties
(7)
Hydrostatic Test Apparatus
Patent:
4,480,462 →
Application:
06/436,619 →
Pipe Testing Tool
Patent:
4,548,069 →
Application:
06/488,694 →
Apparatus for Leak Testing of Pipe
Patent:
4,517,828 →
Application:
06/508,464 →
Method and Apparatus for Leak Testing of Pipe
Patent:
4,601,194 →
Application:
06/571,823 →
Method and Apparatus for Leak Testing of Pipe
Patent:
4,727,749 →
Application:
06/868,009 →
Method and Apparatus for Leak Testing of Pipe
Patent:
4,879,896 →
Application:
07/086,792 →
Method and Apparatus for Leak Testing of Pipe
Patent:
4,998,435 →
Application:
07/296,859 →
Related Assignments
(7)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Oct 25, 1982
From: MILLER, DARWIN A.
To: DAMCO TESTERS, INC.
Reel/Frame 004061/0827 →
Assignment of Assignors Interest.
Apr 26, 1983
From: NOUSAK, MATTHEW J. A.
To: DAMCO TESTERS, INC.
Reel/Frame 004123/0139 →
Assignment of Assignors Interest.
Jun 28, 1983
From: MILLER, DARWIN L.; MILLER, RONNIE F.
To: DAMCO TESTERS, INC., A CORP. OF LA
Reel/Frame 004147/0351 →
Assignment of Assignors Interest.
Mar 16, 1984
From: MILLER, RONNIE FLOYD; DWYER, ARTHUR L.; MILLER, DARWIN A.; MILLER, DARWIN L.
To: DAMCO TESTERS, INC., HIGHWAY 171, HOUMA, 70361 A CORP. OF LA
Reel/Frame 004274/0357 →
Assignment of Assignor's Interest
May 23, 1998
From: DAMCO TESTERS, INC.
To: DAMCO SERVICES, INC.
Reel/Frame 009214/0444 →
Assignment of Assignor's Interest
Jul 18, 2000
From: DAILEY INTERNATIONAL, INC.
To: WEATHERFORD U.S. L.P.
Reel/Frame 010977/0150 →
Assignment of Assignor's Interest
Aug 3, 2005
From: WEATHERFORD U.S., L.P.
To: WEATHERFORD/LAMB, INC.
Reel/Frame 016345/0442 →