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Patent Assignment Abstract of Title
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Total Assignments: 4
Patent #:
Issue Dt:
08/26/1986
Application #:
06278669
Filing Dt:
06/29/1981
Inventor:
STEPHEN V. CHELMINSKI
Title:
LAND SEISMIC SOURCE METHOD AND APPARATUS
Assignment: 1
Reel/Frame:
003906/0345Recorded: 06/29/1981Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
06/26/1981
Assignee:
205 WILSON AVENUE
A CORP. CT
NORWALK, CONNECTICUT 06854
Correspondent:
PARMELEE, JOHNSON, BOLLINGER
& BRAMBLETT, 460 SUMMER ST.
STAMFORD, CT 06901
Assignment: 2
Reel/Frame:
004960/0921Recorded: 10/18/1988Pages: 12
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
10/12/1988
Assignee:
Correspondent:
SCHATZ & SCHATZ, RIBICOFF, & KOTKIN
100 FAIRFIELD AVENUE
BRIDGEPORT, CT 06604-4278
Assignment: 3
Reel/Frame:
006652/0074Recorded: 08/05/1993Pages: 11
Conveyance:
TERMINATION AGREEMENT
Assignor:
Exec Dt:
07/20/1993
Assignee:
FOUR DUKE PLACE
NORWALK, CONNECTICUT
Correspondent:
MEREDITH A. PARSONS
GOLDBERG, KOHN, BELL, BLACK, ROSENBLOOM
& MORITZ, LTD.
55 EAST MONROE STREET, SUITE 3900
CHICAGO, IL 60603
Assignment: 4
Reel/Frame:
006642/0828Recorded: 08/12/1993Pages: 18
Conveyance:
PATENT, TRADEMARK AND LICENSE MORTGAGE
Assignor:
Exec Dt:
07/23/1993
Assignee:
120 S. LASALLE STREET
CHICAGO, ILLINOIS 60603
Correspondent:
MEREDITH A. PARSONS
GOLDBERG, KOHN, BELL, BLACK, ET AL
55 EAST MONROE STREET
SUITE 3900
CHICAGO, IL 60603

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