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Patent Assignment Details

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Reel/Frame:	005296/0501			Pages:	57
		Recorded:	05/10/1990
Conveyance:	RELEASED BY SECURED PARTY (SEE DOCUMENT FOR DETAILS).

Total properties: 17

Patent #:	4040524	Issue Dt:		Application #:	05150331	Filing Dt:
Title:

Patent #:	4077525	Issue Dt:		Application #:	05523677	Filing Dt:
Title:

Patent #:	3976132	Issue Dt:		Application #:	05579415	Filing Dt:
Title:

Patent #:	4042023	Issue Dt:		Application #:	05610066	Filing Dt:
Title:

Patent #:	4053063	Issue Dt:		Application #:	05677956	Filing Dt:
Title:

Patent #:	4077470	Issue Dt:		Application #:	05762907	Filing Dt:
Title:

Patent #:	4091451	Issue Dt:	05/23/1978	Application #:	05791113	Filing Dt:	04/26/1977
Title:	PNEUMATICALLY ACTUATED THREAD PROTECTOR FOR PIPE

Patent #:	4125040	Issue Dt:		Application #:	05838035	Filing Dt:
Title:

Patent #:	4173988	Issue Dt:		Application #:	05876608	Filing Dt:
Title:

Patent #:	4199032	Issue Dt:	04/22/1980	Application #:	05878643	Filing Dt:	02/17/1978
Title:	APPARATUS FOR MEASURING AND CONTROLLING A FORCE

Patent #:	4167128	Issue Dt:		Application #:	05896278	Filing Dt:
Title:

Patent #:	4192206	Issue Dt:		Application #:	05913256	Filing Dt:
Title:

Patent #:	4212212	Issue Dt:		Application #:	05949320	Filing Dt:
Title:

Patent #:	4346629	Issue Dt:	08/31/1982	Application #:	06145905	Filing Dt:	05/02/1980
Title:	TONG ASSEMBLY

Patent #:	4401000	Issue Dt:	08/30/1983	Application #:	06365697	Filing Dt:	04/05/1982
Title:	TONG ASSEMBLY

Patent #:	4442736	Issue Dt:	04/17/1984	Application #:	06416405	Filing Dt:	09/09/1982
Title:	POWER PIPE TONG ROTARY PLUNGER INSERTER

Patent #:	4433448	Issue Dt:	02/28/1984	Application #:	06419119	Filing Dt:	09/16/1982
Title:	POWER PIPE THREAD CLEANER

Assignor

Exec Dt:

04/06/1990

Assignee

1200 WEATHERFORD TOWER

1360 POST OAK BOULEVARD

HOUSTON, TEXAS 77056

Correspondence name and address
	WEATHERFORD INTERNATIONAL INCORPORATED
	1360 POST OAK BLVD., STE. 1000
	P.O. BOX 27608
	HOUSTON, TX 77227

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