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Patent Assignment Abstract of Title
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Total Assignments: 4
Patent #:
Issue Dt:
11/13/1990
Application #:
07345001
Filing Dt:
04/28/1989
Inventor:
JAMES L. STOPA
Title:
POWER SUPPLY CIRCUIT FOR A GASEOUS DISCHARGE TUBE DEVICE
Assignment: 1
Reel/Frame:
005078/0100Recorded: 04/28/1989Pages: 1
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
04/25/1989
Assignee:
SAINT PAUL, MINNESOTA
Correspondent:
ROBERT L. MARBEN
3M OFFICE OF PATENT COUNSEL
P. O. BOX 33427
ST. PAUL, MN 55133-3427
Assignment: 2
Reel/Frame:
018989/0319Recorded: 03/08/2007Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
03/01/2007
Assignee:
P.O. BOX 33427
ST. PAUL, MINNESOTA 55133-3427
Correspondent:
SANDRA K. NOWAK
OFFICE OF INTELLECTUAL PROPERTY COUNSEL
3M INNOVATIVE PROPERTIES COMPANY
PO BOX 33427
ST. PAUL, MINNESOTA 55133-3427
Assignment: 3
Reel/Frame:
019744/0210Recorded: 08/23/2007Pages: 13
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
06/26/2007
Assignee:
P.O. BOX 28130
OAKDALE, MINNESOTA 55128
Correspondent:
MICHEAL L. SCHWEGMAN
SCHWEGMAN, LUNDBERG, WOESSNER ET AL
P.O. BOX 2938
MINNEAPOLIS, MN 55402-0938
Assignment: 4
Reel/Frame:
019501/0730Recorded: 07/02/2007Pages: 8
Conveyance:
SECURITY AGREEMENT
Assignor:
Exec Dt:
06/28/2007
Assignee:
500 WEST MADISON STREET, SUITE 1710
CHICAGO, ILLINOIS 60661
Correspondent:
MAGDALINI RIZAKOS C/O LATHAM & WATKINS
233 SOUTH WACKER DRIVE, SUITE 5800
CHICAGO, IL 60606

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