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Patent Assignment Abstract of Title
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Total Assignments: 4
Patent #:
Issue Dt:
09/21/1982
Application #:
06219502
Filing Dt:
12/23/1980
Inventors:
DENIS J. DUDREY, JOHN T. HERMAN
Title:
SELF-PURGING CENTRIFUGE
Assignment: 1
Reel/Frame:
003861/0537Recorded: 12/23/1980Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
12/22/1980
Exec Dt:
12/22/1980
Assignee:
1400 WEST 94TH ST.
A CORP. OF DE.
MINNEAPOLIS, MINNESOTA 55431
Correspondent:
MERCHANT, GOULD, SMITH, EDELL,
WELTER & SCHMIDT
1600 MIDWEST PLAZA BLDG.
MINNEAPOLIS, MN 55402
Assignment: 2
Reel/Frame:
004809/0981Recorded: 01/06/1987Pages: 9
Conveyance:
LICENSE (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
09/09/1987
Assignee:
Correspondent:
MERCHANT, GOULD, SMITH,
EDELL, WELTER & SCHMIDT
ATTN. JOAN S. TRYGSTAD
1600 MIDWEST PLAZA BLDG.
MINNEAPOLIS, MN 55402
Assignment: 3
Reel/Frame:
005467/0689Recorded: 10/12/1990Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
08/30/1990
Assignee:
25 COMMERCIAL DRIVE
WRENTHAM, MASSACHUSETTS 02093
Correspondent:
DAVID J. THIBODEAU, JR.
NUTTER, MCCLENNEN & FISH
ONE INTERNATIONAL PLACE
BOSTON, MA 02110-2699
Assignment: 4
Reel/Frame:
006615/0200Recorded: 08/02/1993Pages: 6
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
07/22/1993
Assignee:
C/O MS. KIRSTEN L. SPECTOR 12TH FLOOR, MS: 01-12-03
100 FEDERAL STREET
BOSTON, MASSACHUSETTS 02110
Correspondent:
CHARLES W. STAVROS, ESQ.
RIEMER & BRAUNSTEIN
THREE CENTER PLAZA
BOSTON, MA 02108

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