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Patent Assignment Abstract of Title
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Total Assignments: 4
Patent #:
Issue Dt:
06/10/1997
Application #:
08447644
Filing Dt:
05/23/1995
Inventor:
JEFFREY B. HALL
Title:
METHOD AND APPARATUS FOR TESTING SURFACE BREAKDOWN OF DIELECTRIC MATERIALS CAUSED BY ELECTRICAL TRACKING
Assignment: 1
Reel/Frame:
007593/0418Recorded: 05/23/1995Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
05/15/1995
Assignee:
333 PFINGSTEN ROAD
NORTHBROOK, ILLINOIS 60062
Correspondent:
RICHARD L. WOOD
WELSH & KATZ, LTD.
135 SO. LASALLE STREET
SUITE 1625
CHICAGO, IL 60603
Assignment: 2
Reel/Frame:
014901/0332Recorded: 01/20/2004Pages: 13
Conveyance:
PATENT AND LICENSE SECURITY AGREEMENT
Assignor:
Exec Dt:
12/23/2003
Assignee:
10 SOUTH LASALLE STREET
CHICAGO, ILLINOIS 60603
Correspondent:
VEDDER PRICE KAUFMAN & KAMMHOLZ
TAMMY S. SETTLE
222 N. LASALLE STREET
STE. 2400
CHICAGO, IL 60601
Assignment: 3
Reel/Frame:
023510/0221Recorded: 11/12/2009Pages: 7
Conveyance:
RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
05/18/2006
Assignee:
333 PFINGSTEN ROAD
NORTHBROOK, ILLINOIS 60062
Correspondent:
K&L GATES LLP
P.O. BOX 1135
CHICAGO, IL 60690-1135
Assignment: 4
Reel/Frame:
029035/0745Recorded: 09/27/2012Pages: 7
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
09/19/2012
Assignee:
333 PFINGSTEN ROAD
NORTHBROOK, ILLINOIS 60062
Correspondent:
MICHAEL P. FURMANEK
233 S. WACKER DRIVE
SUITE 6300
CHICAGO, IL 60606

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