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Patent Assignment Details
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Reel/Frame:004238/0283   Pages: 3
Recorded: 03/02/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Total properties: 4
1
Patent #:
Issue Dt:
Application #:
04412882
Filing Dt:
Title:
2
Patent #:
Issue Dt:
08/16/1983
Application #:
06300863
Filing Dt:
09/10/1981
Title:
DRILL PIPE PROTECTOR
3
Patent #:
Issue Dt:
05/08/1984
Application #:
06350455
Filing Dt:
02/19/1982
Title:
BLOW-OUT PROTECTOR PACKER ELEMENT
4
Patent #:
Issue Dt:
05/08/1984
Application #:
06350455
Filing Dt:
02/19/1982
Title:
BLOW-OUT PROTECTOR PACKER ELEMENT
Assignor
1
Exec Dt:
12/22/1983
Assignee
1
900 SOUTH BROADWAY,
DENVER,, COLORADO
Correspondence name and address
BIEBEL, FRENCH & NAUMAN
2500 KETTERING TOWER
DAYTON, OH 45423

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