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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:008604/0218   Pages: 10
Recorded: 05/19/1997
Conveyance: RELEASE OF PATENT SECURITY INTEREST AND REASSIGNMENT OF PATENTS AND PATENT APPLICATIONS
Total properties: 42
1
Patent #:
4695351
Issue Dt:
09/22/1987
Application #:
06884013
Filing Dt:
07/10/1986
Title:
METHOD FOR PRODUCING MAGNETIC HEADS
2
Patent #:
4985985
Issue Dt:
01/22/1991
Application #:
07069408
Filing Dt:
07/01/1987
Title:
SOLENOIDAL THIN FILM READ/WRITE HEAD FOR COMPUTER MASS STORAGE DEVICE AND METHOD OF MAKING SAME
3
Patent #:
4907113
Issue Dt:
03/06/1990
Application #:
07079117
Filing Dt:
07/29/1987
Title:
THREE-POLE MAGNETIC RECORDING HEAD
4
Patent #:
4935832
Issue Dt:
06/19/1990
Application #:
07168978
Filing Dt:
03/16/1988
Title:
RECORDING HEADS WITH SIDE SHIELDS
5
Patent #:
4931886
Issue Dt:
06/05/1990
Application #:
07212876
Filing Dt:
06/29/1988
Title:
APPARATUS AND METHODS TO SUPPRESS PERPENDICULAR FIELDS IN LONGITUDINAL LONGITUDINAL RECORDING
6
Patent #:
5089334
Issue Dt:
02/18/1992
Application #:
07227808
Filing Dt:
08/03/1988
Title:
FLUX SPREADING THIN FILM MAGNETIC DEVICES
7
Patent #:
4970616
Issue Dt:
11/13/1990
Application #:
07233322
Filing Dt:
08/17/1988
Title:
RECORDING HEAD TO MINIMIZE UNDERSHOOTS IN READBACK PULSES
8
Patent #:
5023991
Issue Dt:
06/18/1991
Application #:
07238868
Filing Dt:
08/31/1988
Title:
ELECTRICAL GUIDE FOR TIGHT TOLERANCE MACHINING
9
Patent #:
4885649
Issue Dt:
12/05/1989
Application #:
07253390
Filing Dt:
10/04/1988
Title:
THIN FILM HEAD HAVING A MAGNETO-RESTRICTIVE READ ELEMENT
10
Patent #:
5085935
Issue Dt:
02/04/1992
Application #:
07360421
Filing Dt:
06/02/1989
Title:
FLUX SPREADING THIN FILM MAGNETIC DEVICES
11
Patent #:
5111352
Issue Dt:
05/05/1992
Application #:
07369833
Filing Dt:
06/22/1989
Title:
THREE-POLE MAGNETIC HEAD WITH REDUCED FLUX LEAKAGE
12
Patent #:
5108837
Issue Dt:
04/28/1992
Application #:
07410028
Filing Dt:
09/20/1989
Title:
LAMINATED POLES FOR RECORDING HEADS
13
Patent #:
4972287
Issue Dt:
11/20/1990
Application #:
07449133
Filing Dt:
12/08/1989
Title:
THIN FILM READ/WRITE HEAD HAVING A SOLENOIDAL ENERGIZING COIL
14
Patent #:
5075956
Issue Dt:
12/31/1991
Application #:
07517558
Filing Dt:
04/24/1990
Title:
METHOD OF MAKING RECORDING HEADS WITH SIDE SHIELDS
15
Patent #:
5081554
Issue Dt:
01/14/1992
Application #:
07534371
Filing Dt:
06/06/1990
Title:
BIASING CONDUCTOR FOR MR HEAD
16
Patent #:
5095613
Issue Dt:
03/17/1992
Application #:
07546176
Filing Dt:
06/29/1990
Title:
THIN FILM HEAD SLIDER FABRICATION PROCESS
17
Patent #:
5159511
Issue Dt:
10/27/1992
Application #:
07546368
Filing Dt:
06/29/1990
Title:
BIASING CONDUCTOR FOR MR HEAD
18
Patent #:
5068959
Issue Dt:
12/03/1991
Application #:
07582799
Filing Dt:
09/11/1990
Title:
METHOD OF MANUFACTURING A THIN FILM HEAD
19
Patent #:
5184267
Issue Dt:
02/02/1993
Application #:
07603162
Filing Dt:
10/25/1990
Title:
TRANSDUCER WITH IMPROVED INDUCTIVE COUPLING
20
Patent #:
RE33949
Issue Dt:
06/02/1992
Application #:
07613469
Filing Dt:
11/07/1990
Title:
ADJUSTABLE FOLDING HAY RAKING AND WINDROWING APPARATUS
21
Patent #:
5134535
Issue Dt:
07/28/1992
Application #:
07644029
Filing Dt:
01/18/1991
Title:
ARCHITECTURE FOR A THIN-FILM MAGNETIC RECORDING HEAD
22
Patent #:
5103553
Issue Dt:
04/14/1992
Application #:
07660211
Filing Dt:
02/20/1991
Title:
METHOD OF MAKING A MAGNETIC RECORDING HEAD
23
Patent #:
5097370
Issue Dt:
03/17/1992
Application #:
07663192
Filing Dt:
02/28/1991
Title:
SUBAMBIENT PRESSURE AIR BEARING SLIDER FOR DISK DRIVE
24
Patent #:
5193039
Issue Dt:
03/09/1993
Application #:
07686596
Filing Dt:
04/17/1991
Title:
PERMANENT MAGNET EASY-AXIS BIASED MAGNETORESISTIVE HEAD
25
Patent #:
5175938
Issue Dt:
01/05/1993
Application #:
07694802
Filing Dt:
05/17/1991
Title:
ELECTRICAL GUIDE FOR TIGHT TOLERANCE MACHINING
26
Patent #:
5311386
Issue Dt:
05/10/1994
Application #:
07721233
Filing Dt:
06/26/1991
Title:
TRANSDUCER WITH IMPROVED INDUCTIVE COUPLING
27
Patent #:
5267112
Issue Dt:
11/30/1993
Application #:
07767994
Filing Dt:
09/30/1991
Title:
THIN FILM READ/WRITE HEAD FOR MINIMIZING ERASE FRINGING AND METHOD OF MAKING THE SAME
28
Patent #:
5571573
Issue Dt:
11/05/1996
Application #:
07831615
Filing Dt:
02/06/1992
Title:
PROCESS OF FORMING MAGNETIC DEVICES WITH ENHANCED POLES
29
Patent #:
5331496
Issue Dt:
07/19/1994
Application #:
07837358
Filing Dt:
02/14/1992
Title:
THIN-FILM MAGNETIC TRANSDUCER WITH A MULTITUDE OF MAGNETIC FLUX INTERACTIONS
30
Patent #:
5309303
Issue Dt:
05/03/1994
Application #:
07851054
Filing Dt:
03/13/1992
Title:
SUBAMBIENT PRESSURE AIR BEARING SLIDER FOR DISK DRIVE
31
Patent #:
5311387
Issue Dt:
05/10/1994
Application #:
07865285
Filing Dt:
04/08/1992
Title:
THREE-POLE MAGNETIC RECORDING HEAD WITH HIGH READBACK RESOLUTION
32
Patent #:
5314596
Issue Dt:
05/24/1994
Application #:
07888105
Filing Dt:
05/26/1992
Title:
MAGNETIC POLE CONFIGURATION FOR HIGH DENSITY THIN FILM RECORDING HEAD
33
Patent #:
5195005
Issue Dt:
03/16/1993
Application #:
07890372
Filing Dt:
05/26/1992
Title:
TRANSDUCER WITH IMPROVED INDUCTIVE COUPLING
34
Patent #:
5240740
Issue Dt:
08/31/1993
Application #:
07988370
Filing Dt:
12/09/1992
Title:
METHO OF MAKING A THIN FILM HEAD WITH MINIMIZED SECONDARY PULSES
35
Patent #:
5384680
Issue Dt:
01/24/1995
Application #:
08017998
Filing Dt:
02/16/1993
Title:
PERPENDICULAR ANISOTROPY IN THIN FILM DEVICES
36
Patent #:
5468177
Issue Dt:
11/21/1995
Application #:
08023274
Filing Dt:
02/26/1993
Title:
LAPPING FIXTURE FOR DISK SLIDERS
37
Patent #:
5333086
Issue Dt:
07/26/1994
Application #:
08038330
Filing Dt:
03/29/1993
Title:
A THIN FILM TWO-POLE INDUCTIVE MAGNETIC HEAD WITH MINIMIZED SECONDARY PULSES
38
Patent #:
5494473
Issue Dt:
02/27/1996
Application #:
08089141
Filing Dt:
07/07/1993
Title:
ELECTRICAL ACCESS FOR ELECTRICAL LAPPING GUIDES
39
Patent #:
5418668
Issue Dt:
05/23/1995
Application #:
08132016
Filing Dt:
10/05/1993
Title:
THIN-FILM MAGNETIC TRANSDUCER WITH MULTIPLE YOKE-COIL INTERACTIONS AND ELONGATED LATERAL YOKE VIAS
40
Patent #:
5428893
Issue Dt:
07/04/1995
Application #:
08145469
Filing Dt:
11/04/1993
Title:
METHOD OF MAKING A TRANSDUCER WITH IMPROVED INDUCTIVE COUPLING
41
Patent #:
5428887
Issue Dt:
07/04/1995
Application #:
08181582
Filing Dt:
01/13/1994
Title:
METHOD OF MAKING A TRANSDUCER WITH IMPROVED INDUCTIVE COUPLING
42
Patent #:
5546253
Issue Dt:
08/13/1996
Application #:
08239243
Filing Dt:
05/06/1994
Title:
DIGITIAL OUTPUT MAGNETORESISTIVE (DOMR) HEAD AND METHODS ASSOCIATED THEREWITH
Assignor
1
CANADIAN IMPERIAL BANK OF COMMERCE
Exec Dt:
05/16/1997
Assignee
1
QUANTUM CORPORATION
500 MCCARTHY BLVD.
MILPITAS, CALIFORNIA 95035
Correspondence name and address
COOLEY GODWARD LLP
APRIL PIERCEY
5 PALO ALTO SQUARE
3000 EL CAMINO REAL, 6TH FLOOR
PALO ALTO, CA 94306

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