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Patent Assignment Abstract of Title
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Total Assignments: 4
Patent #:
Issue Dt:
01/03/1995
Application #:
08104647
Filing Dt:
08/11/1993
Inventor:
ROBERT G. DIDIER
Title:
ENVIRONMENTALLY SAFE WELLHEAD
Assignment: 1
Reel/Frame:
006675/0895Recorded: 08/11/1993Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
07/30/1993
Assignee:
100 RIVER RIDGE PARK NORWOOD, MA 02062
MASSACHUSETTS
Correspondent:
GEORGE W. CROWLEY, ESQ.
SUITE 105
210 HUMPHREY STREET
MARBLEHEAD, MA 01945
Assignment: 2
Reel/Frame:
009075/0366Recorded: 03/20/1998Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/19/1997
Assignee:
500 TESCONI CIRCLE
SANTA ROSA, CALIFORNIA 95401
Correspondent:
TOWNSEND AND TOWNSEND AND CREW LLP
DAVID N. SLONE
TWO EMBARCADERO CENTER, 8TH FLOOR
SAN FRANCISCO, CA 94111-3834
Assignment: 3
Reel/Frame:
009146/0043Recorded: 05/01/1998Pages: 12
Conveyance:
SECURITY AGREEMENT
Assignor:
Exec Dt:
12/22/1997
Assignee:
3 BETHESDA METRO CENTER, SUITE 860
BETHESDA, MARYLAND 20814
Correspondent:
ARNOLD & PORTER
CHRIS WILSON
555 TWELFTH STREET N.W.
WASHINGTON, DC 20004-1202
Assignment: 4
Reel/Frame:
012631/0392Recorded: 02/15/2002Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/18/2001
Assignee:
SUITE 1217
1105 NORTH MARKET STREET
WILMINGTON, DELAWARE 19801
Correspondent:
ITT CANNON
ROGER C. TURNER
666 EAST DYER ROAD
SANTA ANA, CA 92705

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