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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
01/18/1994
Application #:
07991197
Filing Dt:
12/16/1992
Inventor:
PAUL E. BIERMAN
Title:
BIDIRECTIONAL PIPELINE PIG SIGNALING DEVICE
Assignment: 1
Reel/Frame:
006366/0612Recorded: 12/16/1992Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
12/10/1992
Assignee:
1100 MARKET STREET SUITE 780
WILMINGTON, DELAWARE 19801
Correspondent:
PAUL H. JOHNSON
HEAD & JOHNSON
228 WEST 17TH PLACE
TULSA, OK 74119
Assignment: 2
Reel/Frame:
017065/0629Recorded: 10/11/2005Pages: 10
Conveyance:
SECURITY AGREEMENT
Assignors:
Exec Dt:
09/30/2005
Exec Dt:
09/30/2005
Exec Dt:
09/30/2005
Exec Dt:
09/30/2005
Exec Dt:
09/30/2005
Assignee:
15 EAST FIFTH STREET
TULSA, OKLAHOMA
Correspondent:
GARY R. MCSPADDEN, ESQ.
CROWE & DUNLEVY
500 KENNEDY BUILDING
321 KENNEDY BUILDING
TULSA, OK 74103

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