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Patent Assignment Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Reel/Frame:024342/0629   Pages: 19
Recorded: 05/06/2010
Conveyance: DONATION AGREEMENT
Total properties: 30
1
Patent #:
5055922
Issue Dt:
10/08/1991
Application #:
07490050
Filing Dt:
03/07/1990
Title:
COLOR TV PROJECTION LENS SYSTEM
2
Patent #:
5200861
Issue Dt:
04/06/1993
Application #:
07766763
Filing Dt:
09/27/1991
Title:
LENS SYSTEMS
3
Patent #:
5218480
Issue Dt:
06/08/1993
Application #:
07801058
Filing Dt:
12/03/1991
Title:
RETROFOCUS WIDE ANGLE LENS
4
Patent #:
5296967
Issue Dt:
03/22/1994
Application #:
07844160
Filing Dt:
03/02/1992
Title:
HIGH SPEED WIDE ANGLE PROJECTION TV LENS SYSTEM
5
Patent #:
5313330
Issue Dt:
05/17/1994
Application #:
07938381
Filing Dt:
08/31/1992
Title:
ZOOM PROJECTION LENS SYSTEMS
6
Patent #:
5276555
Issue Dt:
01/04/1994
Application #:
07984305
Filing Dt:
11/23/1992
Title:
NOVEL FOCUS ADJUSTMENT ASSEMBLIES FOR PROJECTION TELEVISION
7
Patent #:
5309283
Issue Dt:
05/03/1994
Application #:
08040109
Filing Dt:
03/30/1993
Title:
HYBRID, COLOR-CORRECTED, PROJECTION TV LENS SYSTEM
8
Patent #:
5552922
Issue Dt:
09/03/1996
Application #:
08044720
Filing Dt:
04/12/1993
Title:
OPTICAL SYSTEM FOR PROJECTION DISPLAY
9
Patent #:
5329363
Issue Dt:
07/12/1994
Application #:
08077418
Filing Dt:
06/15/1993
Title:
PROJECTION LENS SYSTEMS HAVING REDUCED SPHEROCHROMATISM
10
Patent #:
5455713
Issue Dt:
10/03/1995
Application #:
08081629
Filing Dt:
06/23/1993
Title:
HIGH PERFORMANCE, THERMALLY-STABILIZED PROJECTION TELEVISION LENS SYSTEMS
11
Patent #:
5559637
Issue Dt:
09/24/1996
Application #:
08192117
Filing Dt:
02/04/1994
Title:
FIELD CURVATURE CORRECTOR
12
Patent #:
5625738
Issue Dt:
04/29/1997
Application #:
08267125
Filing Dt:
06/28/1994
Title:
APPARATUS FOR UNIFORMLY ILLUMINATING A LIGHT VALVE
13
Patent #:
6332688
Issue Dt:
12/25/2001
Application #:
08441267
Filing Dt:
05/15/1995
Title:
APPARATUS FOR UNIFORMLY ILLUMINATING A LIGHT VALVE
14
Patent #:
5604624
Issue Dt:
02/18/1997
Application #:
08465205
Filing Dt:
06/05/1995
Title:
OPTICAL SYSTEM FOR PROJECTION DISPLAY
15
Patent #:
5868481
Issue Dt:
02/09/1999
Application #:
08758284
Filing Dt:
11/08/1996
Title:
CENTRIFUGAL ILLUMINATION SYSTEM
16
Patent #:
5870228
Issue Dt:
02/09/1999
Application #:
08857358
Filing Dt:
05/16/1997
Title:
PROJECTION LENSES HAVING LARGE BACK FOCAL LENGTH TO FOCAL LENGTH RATIOS
17
Patent #:
6023375
Issue Dt:
02/08/2000
Application #:
08908115
Filing Dt:
08/11/1997
Title:
PROJECTION LENSES FOR USE WITH LARGE PIXELIZED PANELS
18
Patent #:
5900989
Issue Dt:
05/04/1999
Application #:
08908118
Filing Dt:
08/11/1997
Title:
MINI-ZOOM PROJECTION LENSES FOR USE WITH PIXELIZED PANELS
19
Patent #:
5973833
Issue Dt:
10/26/1999
Application #:
08920359
Filing Dt:
08/29/1997
Title:
HIGH EFFICIENCY POLARIZING CONVERTER
20
Patent #:
5991089
Issue Dt:
11/23/1999
Application #:
09015026
Filing Dt:
01/28/1998
Title:
LONG FOCAL LENGTH PROJECTION LENSES FOR USE WITH LARGE PIXELIZED PANELS
21
Patent #:
5969876
Issue Dt:
10/19/1999
Application #:
09246346
Filing Dt:
02/08/1999
Title:
PROJECTION LENSES HAVING LARGE BACK FOCAL LENGTH TO FOCAL LENGTH RATIOS
22
Patent #:
6195209
Issue Dt:
02/27/2001
Application #:
09304693
Filing Dt:
05/04/1999
Title:
PROJECTION LENSES HAVING REDUCED LATERAL COLOR FOR USE WITH PIXELIZED PANELS
23
Patent #:
6169636
Issue Dt:
01/02/2001
Application #:
09383778
Filing Dt:
08/26/1999
Title:
FOCUS CORRECTOR FOR ZOOM PROJECTION LENSES USED WITH PIXELIZED PANELS
24
Patent #:
6417971
Issue Dt:
07/09/2002
Application #:
09485278
Filing Dt:
02/04/2000
Title:
ZOOM PROJECTION LENS HAVING A LENS CORRECTION UNIT
25
Patent #:
6461000
Issue Dt:
10/08/2002
Application #:
09528630
Filing Dt:
03/20/2000
Title:
OPTICAL SYSTEMS FOR PROJECTION DISPLAYS
26
Patent #:
6476974
Issue Dt:
11/05/2002
Application #:
09797018
Filing Dt:
02/28/2001
Title:
PROJECTION LENSES FOR USE WITH REFLECTIVE PIXELIZED PANELS
27
Patent #:
6764181
Issue Dt:
07/20/2004
Application #:
10147274
Filing Dt:
05/16/2002
Publication #:
US20030058408
Pub Dt:
03/27/2003
Title:
POLARIZATION ARRANGEMENT
28
Patent #:
6726332
Issue Dt:
04/27/2004
Application #:
10302183
Filing Dt:
11/22/2002
Publication #:
US20030099008
Pub Dt:
05/29/2003
Title:
TIR PRISM FOR DMD PROJECTOR
29
Patent #:
6877865
Issue Dt:
04/12/2005
Application #:
10337747
Filing Dt:
01/07/2003
Publication #:
US20030142276
Pub Dt:
07/31/2003
Title:
COLOR COMPONENT APERTURE STOPS IN PROJECTION DISPLAY SYSTEM
30
Patent #:
7008065
Issue Dt:
03/07/2006
Application #:
11074167
Filing Dt:
03/07/2005
Publication #:
US20050151939
Pub Dt:
07/14/2005
Title:
COLOR COMPONENT APERTURE STOPS IN PROJECTION DISPLAY SYSTEM
Assignor
1
3M INNOVATIVE PROPERTIES COMPANY
Exec Dt:
12/23/2009
Assignee
1
REGENTS OF THE UNIVERSITY OF MINNESOTA
1000 WESTGATE DRIVE
SUITE 160
ST. PAUL, MINNESOTA 55114-8658
Correspondence name and address
DAVID W. BLACK
SCHWEGMAN, LUNDBERG & WOESSNER, P.A.
P.O. BOX 2938
MINNEAPOLIS, MN 55402-0938

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