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Patent Assignment Abstract of Title
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Total Assignments: 1
Patent #:
Issue Dt:
12/22/1981
Application #:
06171684
Filing Dt:
07/24/1980
Inventors:
JOHN D. DEANE, ROBERT J. KOTCH
Title:
DYNAMIC SEAL FOR ROLLING CUTTER DRILL BIT
Assignment: 1
Reel/Frame:
003913/0197Recorded: 09/28/1981Pages: 2
Conveyance:
ASSIGNMENT OF 1/2 OF ASSIGNORS INTEREST
Assignors:
Exec Dt:
07/22/1980
Exec Dt:
07/22/1980
Assignee:
A CORP. OF TX.
HOUSTON, TEXAS
Correspondent:
MICHAEL J. CADDELL
PAT. COUN., REED ROCK BIT CO.
P. O. BOX 2119
HOUSTON, TX 77001

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