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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
5121988
Issue Dt:
06/16/1992
Application #:
07416958
Filing Dt:
10/04/1989
Inventors:
JAMES L. BLESENER, STANLEY L. KAUFMAN, DAVID B. BLACKFORD, FRANK D. DORMAN et al
Title:
SINGLE PARTICLE DETECTOR METHOD AND APPARATUS UTILIZING LIGHT EXTINCTION WITHIN A SHEET OF LIGHT
Assignment: 1
Reel/Frame:
005294/0460Recorded: 04/09/1990Pages: 6
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
BLESENER, JAMES L.
Exec Dt:
03/26/1990
KAUFMAN, STANLEY L.
Exec Dt:
03/26/1990
BLACKFORD, DAVID B.
Exec Dt:
03/30/1990
DORMAN, FRANK D.
Exec Dt:
03/30/1990
HAIRSTON, PETER P.
Exec Dt:
03/28/1990
Assignee:
TSI INCORPORATED
500 CARDIGAN ROAD, P.O. 64394
A CORP. OF MN
ST. PAUL, MINNESOTA 55164
Correspondent:
MERCHANT, GOULD, SMITH, EDELL,
WELTER & SCHMIDT
1000 NORWEST CENTER
ST. PAUL, MN 55101
Assignment: 2
Reel/Frame:
006856/0846Recorded: 12/21/1993Pages: 8
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
TSI INCORPORATED
Exec Dt:
12/10/1993
Assignee:
PARTICLE MEASURING SYSTEMS, INC.
1855 SOUTH 57TH COURT
BOULDER, COLORADO 80301
Correspondent:
HUTCHINSON BLACK AND COOK, LLC
STEVEN A. ERICKSON
1215 SPRUCE STREET
BOULDER, CO 80302
Assignment: 3
Reel/Frame:
006856/0854Recorded: 12/21/1993Pages: 10
Conveyance:
COLLATERAL ASSIGNMENT
Assignor:
PARTICLE MEASURING SYSTEMS, INC.
Exec Dt:
12/10/1993
Assignee:
TSI INCORPORATED
500 CARDIGAN ROAD
P.O. BOX 64394
ST. PAUL, MINNESOTA 55164
Correspondent:
STEVEN A. ERICKSON
HUTCHINSON BLACK AND COOK, LLC
1215 SPRUCE STREET
BOULDER, CO 80302

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