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Reel/Frame:011461/0001   Pages: 616
Recorded: 01/26/2001
Conveyance: SECURITY AGREEMENT
Total properties: 1136
Page 4 of 12
Pages: 1 2 3 4 5 6 7 8 9 10 11 12
1
Patent #:
Issue Dt:
07/13/1993
Application #:
07594833
Filing Dt:
10/09/1990
Title:
CLOSED LOOP SINGLE STEP RESPONSE BY OPEN WINDING VOLTAGE FEEDBACK SYSTEM AND METHOD FOR MULTIPLE PHASE STEP MOTORS
2
Patent #:
Issue Dt:
08/18/1992
Application #:
07605122
Filing Dt:
10/29/1990
Title:
STATIC ELIMINATOR FOR DISC DRIVE SPINDLE
3
Patent #:
Issue Dt:
04/13/1993
Application #:
07606573
Filing Dt:
10/31/1990
Title:
METHOD OF WELDING A HEAD SUSPENSION ASSEMBLY
4
Patent #:
Issue Dt:
04/21/1992
Application #:
07607646
Filing Dt:
10/29/1990
Title:
ADAPTIVE MAGNETIC RECORDING AND READBACK SYSTEM
5
Patent #:
Issue Dt:
02/04/1992
Application #:
07609921
Filing Dt:
11/06/1990
Title:
METHOD FOR ALIGNING THIN FILM HEAD POLE TIPS
6
Patent #:
Issue Dt:
11/03/1992
Application #:
07611300
Filing Dt:
11/09/1990
Title:
ACTUATOR ARM WITH A STEEL SLEEVE FOR THERMAL OFF TRACK COMPENSATION
7
Patent #:
Issue Dt:
02/16/1993
Application #:
07611412
Filing Dt:
11/09/1990
Title:
MAGNETIC LATCH AND CRASH STOP
8
Patent #:
Issue Dt:
12/07/1993
Application #:
07611992
Filing Dt:
11/09/1990
Title:
APPARATUS FOR ATTACHING A PRINTED CIRCUIT CABLE MOUNT
9
Patent #:
Issue Dt:
01/05/1993
Application #:
07613263
Filing Dt:
11/09/1990
Title:
DISC DRIVE ASSEMBLY WITH IMPROVED COMMUNICATIONS AND REDUCED CONTAMINATION RISK
10
Patent #:
Issue Dt:
03/08/1994
Application #:
07614853
Filing Dt:
11/09/1990
Title:
MULTIPLE ACTUATOR DISK DRIVE
11
Patent #:
Issue Dt:
10/20/1992
Application #:
07621713
Filing Dt:
12/05/1990
Title:
COMPOSITE DISK DRIVE HEAD ASSEMBLY HAVING AN IMPROVED CORE-TO-SLIDER BOND
12
Patent #:
Issue Dt:
03/30/1993
Application #:
07622558
Filing Dt:
12/05/1990
Title:
SHIELDED SERVO HEADS WITH IMPROVED PASSIVE NOISE CANCELLATION
13
Patent #:
Issue Dt:
12/14/1993
Application #:
07624747
Filing Dt:
12/10/1990
Title:
APPARATUS AND METHOD FOR REDUCING DISK DISTORTION
14
Patent #:
Issue Dt:
04/20/1993
Application #:
07628710
Filing Dt:
12/17/1990
Title:
DISC WASHING SYSTEM
15
Patent #:
Issue Dt:
09/07/1993
Application #:
07629398
Filing Dt:
12/18/1990
Title:
ON-THE-FLY ERROR CORRECTION
16
Patent #:
Issue Dt:
11/03/1992
Application #:
07632150
Filing Dt:
12/21/1990
Title:
FLEXIBLE RETAINER FOR CANTILEVERED MATRIX BOARD
17
Patent #:
Issue Dt:
07/14/1992
Application #:
07632300
Filing Dt:
12/21/1990
Title:
INFORMATION STORAGE DISC BALANCE WEIGHT
18
Patent #:
Issue Dt:
09/17/1991
Application #:
07634975
Filing Dt:
01/07/1991
Title:
VERTICAL FLAT COIL FOR HEAD ACTUATOR
19
Patent #:
Issue Dt:
11/12/1991
Application #:
07635771
Filing Dt:
12/28/1990
Title:
COMPRESSION CONTACT ELECTRICAL CONNECTOR ASSEMBLY FOR A DISC DRIVE
20
Patent #:
Issue Dt:
08/04/1992
Application #:
07639791
Filing Dt:
01/10/1991
Title:
DISC PACK ASSEMBLY HAVING A LAMINATE SLEEVE DISPOSED BETWEEN A SPINDLE AND A DISC, FOR REDUCING RADIAL DISC DIDPLACEMENT
21
Patent #:
Issue Dt:
07/30/1991
Application #:
07640687
Filing Dt:
01/14/1991
Title:
METHOD FOR REMOVING BALL STAKED HEAD GIMBAL ASSEMBLY
22
Patent #:
Issue Dt:
03/09/1993
Application #:
07641164
Filing Dt:
01/14/1991
Title:
A COMBINATION FOR REMOVABLY SUPPORTING A MAGNETIC TRANSDUCER CARRYING ARM
23
Patent #:
Issue Dt:
07/09/1991
Application #:
07643446
Filing Dt:
01/18/1991
Title:
METHOD AND APPARATUS FOR REDUCING DISK DISTORTION UNDER CLAMPING LOAD IN A DISK DRIVE APPARATUS
24
Patent #:
Issue Dt:
12/08/1992
Application #:
07643703
Filing Dt:
01/22/1991
Title:
MAGNETIC PARKING DEVICE FOR DISK DRIVE
25
Patent #:
Issue Dt:
09/21/1993
Application #:
07648216
Filing Dt:
01/31/1991
Title:
USING SPECTRAL SIGNATURE ANALYSIS IN PRODUCING SUBSTRATES FOR MAGNETIC MEDIA
26
Patent #:
Issue Dt:
10/26/1993
Application #:
07654900
Filing Dt:
02/13/1991
Title:
DISC DRIVE WITH OFFSET ADDRESS FIELD
27
Patent #:
Issue Dt:
05/18/1993
Application #:
07654936
Filing Dt:
02/13/1991
Title:
METHOD AND APPARATUS FOR DETECTION AND IDENTIFICATION OF FLAWS IN A MAGNETIC MEDIUM BY MEASURING THE WIDTH OF PULSES STORED ON THE MEDIUM
28
Patent #:
Issue Dt:
01/19/1993
Application #:
07660410
Filing Dt:
02/22/1991
Title:
LEADING EDGE UNDERSHOOT ELIMINATION IN THIN FILM HEADS
29
Patent #:
Issue Dt:
07/06/1993
Application #:
07660685
Filing Dt:
02/25/1991
Title:
GIMBAL HAVING IMPROVED STIFFNESS PROPERTIES
30
Patent #:
Issue Dt:
10/13/1992
Application #:
07673643
Filing Dt:
03/22/1991
Title:
METHOD AND APPARATUS FOR TESTING BIPOLAR MAGNETS HAVING A CIRCULAR CURVATURE
31
Patent #:
Issue Dt:
02/23/1999
Application #:
07673967
Filing Dt:
03/22/1991
Title:
ACOUSTIC ISOLATOR FOR A DISC DRIVE ASSEMBLY
32
Patent #:
Issue Dt:
05/19/1992
Application #:
07674071
Filing Dt:
03/12/1991
Title:
PROCESS OF ETCHING IRON-SILICON-ALUMINUM TRIALLOYS AND ETCHANT SOLUTIONS USED THEREFOR
33
Patent #:
Issue Dt:
04/28/1992
Application #:
07675334
Filing Dt:
03/26/1991
Title:
PROCESS FOR MANUFACTURING SELECTIVELY TEXTURED MAGNETIC RECORDING MEDIA
34
Patent #:
Issue Dt:
03/24/1992
Application #:
07675580
Filing Dt:
03/08/1991
Title:
SEALING APPARATUS FOR A DISC DRIVE
35
Patent #:
Issue Dt:
12/12/1995
Application #:
07676787
Filing Dt:
03/28/1991
Title:
METHOD FOR REDUCING NOISE DURING SEEKS IN A HARD DISK DRIVE
36
Patent #:
Issue Dt:
02/25/1992
Application #:
07679917
Filing Dt:
04/23/1991
Title:
MOTOR BRAKE CIRCUIT FOR MAGNETIC DISK DRIVE SYSTEM
37
Patent #:
Issue Dt:
08/03/1993
Application #:
07685189
Filing Dt:
04/15/1991
Title:
NOTCHED ARCUATE MAGNET FOR ROTARY ACTUATOR
38
Patent #:
Issue Dt:
09/13/1994
Application #:
07686112
Filing Dt:
04/15/1991
Title:
METHOD AND APPARATUS FOR RELOADING MICROINSTRUCTION CODE TO A SCSI SEQUENCER
39
Patent #:
Issue Dt:
10/19/1993
Application #:
07686113
Filing Dt:
04/15/1991
Title:
METHOD AND APPARATUS FOR SKEWING A MEMORY READ CLOCK SIGNAL IN A MAGNETIC DISK DRIVE SYSTEM
40
Patent #:
Issue Dt:
10/06/1992
Application #:
07690524
Filing Dt:
04/23/1991
Title:
ON-THE-FLY ERROR CORRECTION
41
Patent #:
Issue Dt:
03/03/1992
Application #:
07693048
Filing Dt:
04/29/1991
Title:
SPINDLE MOTOR HAVING REDUCED TORQUE RIPPLE
42
Patent #:
Issue Dt:
06/01/1993
Application #:
07693356
Filing Dt:
04/30/1991
Title:
MOTOR CONSTRUCTION AND METHOD FOR LIMITING SPIN-UP TIME IN A HARD DISK DRIVE
43
Patent #:
Issue Dt:
09/22/1992
Application #:
07694668
Filing Dt:
05/02/1991
Title:
DISC DRIVE GASKET AND METHOD OF FORMING SAME
44
Patent #:
Issue Dt:
08/11/1992
Application #:
07702956
Filing Dt:
05/20/1991
Title:
METHOD OF MAKING A THIN FILM HEAD WITH CONTOURED POLE FACE EDGES FOR UNDERSHOOT REDUCTION
45
Patent #:
Issue Dt:
07/27/1993
Application #:
07711311
Filing Dt:
06/06/1991
Title:
SELF-HOLDING LATCH ASSEMBLY
46
Patent #:
Issue Dt:
08/03/1993
Application #:
07711460
Filing Dt:
06/06/1991
Title:
METHOD FOR CORRECTING TRACK COUNTING ERRORS DURING SEEKS IN A HARD DISC DRIVE
47
Patent #:
Issue Dt:
05/11/1993
Application #:
07715404
Filing Dt:
06/14/1991
Title:
SELF-LOADING AIR BEARING SLIDER WITH A RELIEVED LEADING EDGE
48
Patent #:
Issue Dt:
11/30/1993
Application #:
07722919
Filing Dt:
06/28/1991
Title:
LAMINATED MAGNETIC TRANSDUCER
49
Patent #:
Issue Dt:
10/27/1992
Application #:
07728289
Filing Dt:
07/11/1991
Title:
ADAPTIVE PREWRITE COMPENSATION APPARATUS AND METHOD
50
Patent #:
Issue Dt:
05/24/1994
Application #:
07729453
Filing Dt:
07/12/1991
Title:
COMPLIANT PIVOT MECHANISM FOR A ROTARY ACTUATOR
51
Patent #:
Issue Dt:
05/25/1993
Application #:
07729497
Filing Dt:
07/12/1991
Title:
ACOUSTICALLY DAMPED DISC DRIVE ASSEMBLY
52
Patent #:
Issue Dt:
07/14/1992
Application #:
07734058
Filing Dt:
07/22/1991
Title:
THIN FILM HEAD ON FERRITE SUBSTRATE WITH INCLINED TOP POLE
53
Patent #:
Issue Dt:
07/12/1994
Application #:
07734938
Filing Dt:
07/24/1991
Title:
CORRECTION OF CURRENT FEEDBACK OFFSET FOR DISC DRIVE SERVO SYSTEMS
54
Patent #:
Issue Dt:
11/16/1993
Application #:
07738053
Filing Dt:
07/31/1991
Title:
HARD DISC DRIVE WITH IMPROVED SERVO SYSTEM
55
Patent #:
Issue Dt:
04/19/1994
Application #:
07738584
Filing Dt:
07/31/1991
Title:
MULTI-TASK OPERATING SYSTEM FOR A DISC DRIVE
56
Patent #:
Issue Dt:
04/19/1994
Application #:
07738793
Filing Dt:
07/31/1991
Title:
COMPENSATING FOR VARIATIONS IN TORQUE CAPABILITY OF VOICE COIL MOTORS
57
Patent #:
Issue Dt:
08/31/1993
Application #:
07741086
Filing Dt:
08/06/1991
Title:
ADAPTIVE PREWRITE COMPENSATION APPARATUS AND METHOD
58
Patent #:
Issue Dt:
10/20/1992
Application #:
07742207
Filing Dt:
08/05/1991
Title:
UNDER-THE-HUB DISK DRIVE SPIN MOTOR
59
Patent #:
Issue Dt:
06/30/1992
Application #:
07744826
Filing Dt:
08/12/1991
Title:
POLE DESIGN FOR THIN FILM MAGNETIC HEADS
60
Patent #:
Issue Dt:
12/01/1992
Application #:
07744827
Filing Dt:
08/12/1991
Title:
THIN FILM CORE OF CO-FE-B ALLOY
61
Patent #:
Issue Dt:
10/04/1994
Application #:
07745983
Filing Dt:
08/06/1991
Title:
SPINDLE MOTOR ASSEMBLY FOR DISC DRIVES
62
Patent #:
Issue Dt:
11/17/1992
Application #:
07752100
Filing Dt:
08/29/1991
Title:
METHOD FOR WRITING SERVO PATTERNS TO A DISC OF A HARD DISC DRIVE
63
Patent #:
Issue Dt:
11/24/1992
Application #:
07758384
Filing Dt:
09/03/1991
Title:
REDUCED STICK/SLIP LOAD ARM ASSEMBLY HAVING A COATING WITH A LOW FRICTIONAL COEFFICIENT
64
Patent #:
Issue Dt:
11/02/1993
Application #:
07760105
Filing Dt:
09/16/1991
Title:
ZONE BIT RECORDING WITH WRITE COMPENSATION
65
Patent #:
Issue Dt:
10/26/1993
Application #:
07761001
Filing Dt:
09/17/1991
Title:
METHOD OF MANUFACTURING A PLANARIZED MAGNETORESISTIVE SENSOR
66
Patent #:
Issue Dt:
08/10/1993
Application #:
07779214
Filing Dt:
10/18/1991
Title:
APPARATUS FOR SENSING OPERATING SHOCK ON A DISK DRIVE
67
Patent #:
Issue Dt:
06/09/1992
Application #:
07784655
Filing Dt:
10/28/1991
Title:
DISK DRIVE SYSTEM EMPLOYING ADAPTIVE READ/WRITE CHANNEL CONTROLS AND METHOD OF USING SAME
68
Patent #:
Issue Dt:
09/28/1993
Application #:
07786336
Filing Dt:
10/31/1991
Title:
HARD DISC DRIVE FOR USE IN A MULTIPLE DRIVE DATA STORAGE SYSTEM AND METHOD OF OPERATION
69
Patent #:
Issue Dt:
09/01/1992
Application #:
07788950
Filing Dt:
11/07/1991
Title:
APPARATUS FOR PREDICTING TWIST OUT TORQUE IN A SWAGE MOUNT
70
Patent #:
Issue Dt:
11/09/1993
Application #:
07797019
Filing Dt:
11/25/1991
Title:
SPACE OPTIMIZATION VOICE COIL MOTOR FOR DISC DRIVES
71
Patent #:
Issue Dt:
06/01/1993
Application #:
07799760
Filing Dt:
11/27/1991
Title:
LATCH MECHANISM FOR DISK DRIVES
72
Patent #:
Issue Dt:
01/26/1993
Application #:
07829613
Filing Dt:
01/30/1992
Title:
SECTORED SERVO DISK FORMATTING
73
Patent #:
Issue Dt:
04/06/1993
Application #:
07832431
Filing Dt:
02/07/1992
Title:
METHOD FOR ALIGNING POLE TIPS IN A THIN FILM HEAD
74
Patent #:
Issue Dt:
05/17/1994
Application #:
07843893
Filing Dt:
02/27/1992
Title:
METHOD AND APPARATUS FOR MEASURING BEARING FRICTION
75
Patent #:
Issue Dt:
06/08/1993
Application #:
07855222
Filing Dt:
03/20/1992
Title:
NEGATIVE PRESSURE AIR BEARING SLIDER HAVING ISOLATION CHANNELS WITH EDGE STEP
76
Patent #:
Issue Dt:
11/09/1993
Application #:
07857619
Filing Dt:
03/25/1992
Title:
MAGNETORESISTIVE SENSOR WITH ELECTRICAL CONTACTS HAVING VARIABLE RESISTIVE REGIONS FOR SENSOR SENSITIVITY
77
Patent #:
Issue Dt:
04/06/1993
Application #:
07865362
Filing Dt:
04/08/1992
Title:
NEGATIVE PRESSURE AIR BEARING SLIDER HAVING AN AIR BEARING SURFACE TRAILING A NEGATIVE PRESSURE CAVITY
78
Patent #:
Issue Dt:
03/23/1993
Application #:
07865856
Filing Dt:
04/09/1992
Title:
NEGATIVE PRESSURE AIR BEARING SLIDER HAVING ISOLATION CHANNELS WHICH TERMINATE PRIOR TO TRAILING EDGE
79
Patent #:
Issue Dt:
11/29/1994
Application #:
07867319
Filing Dt:
04/10/1992
Title:
METHOD AND APPARATUS FOR ADAPTIVE CONTROL
80
Patent #:
Issue Dt:
06/08/1993
Application #:
07867763
Filing Dt:
04/13/1992
Title:
NEGATIVE PRESSURE AIR BEARING SLIDER WITH SPOILER CHANNELS
81
Patent #:
Issue Dt:
02/09/1993
Application #:
07891946
Filing Dt:
06/01/1992
Title:
METHOD OF MAKING A THIN FILM HEAD ON FERRITE SUBSTRATE WITH INCLINED TOP POLE
82
Patent #:
Issue Dt:
03/21/1995
Application #:
07893484
Filing Dt:
06/05/1992
Title:
DISC DRIVE SPINDLE MOTOR
83
Patent #:
Issue Dt:
03/15/1994
Application #:
07893490
Filing Dt:
06/05/1992
Title:
LOW PROFILE DISC CLAMP
84
Patent #:
Issue Dt:
11/15/1994
Application #:
07893764
Filing Dt:
06/05/1992
Title:
CRASH STOP AND MAGNETIC LATCH FOR OPTIMUM USE OF DISC SPACE
85
Patent #:
Issue Dt:
11/16/1993
Application #:
07894417
Filing Dt:
06/05/1992
Title:
LIMIT STOP AND LIMIT STOP INCORPORATING A FLUX CONCENTRATOR LATCH FOR DISC DRIVES
86
Patent #:
Issue Dt:
05/31/1994
Application #:
07906037
Filing Dt:
06/26/1992
Title:
DUAL PIVOT DISC DRIVE APPARATUS AND METHOD
87
Patent #:
Issue Dt:
08/17/1993
Application #:
07907763
Filing Dt:
06/30/1992
Title:
DIFFERENTIAL SLIMMER
88
Patent #:
Issue Dt:
02/15/1994
Application #:
07913776
Filing Dt:
07/14/1992
Title:
TRACK DEPENDENT VARIABLE LEVEL QUALIFICATION PULSE DETECTOR
89
Patent #:
Issue Dt:
08/02/1994
Application #:
07918676
Filing Dt:
07/22/1992
Title:
DISC DRIVE WITH WRITE PRECOMPENSATION USING WINDOW/PULSE TIMING MEASUREMENTS
90
Patent #:
Issue Dt:
07/05/1994
Application #:
07918725
Filing Dt:
07/21/1992
Title:
PROCESS FOR MAKING STUDLESS THIN FILM MAGNETIC HEAD
91
Patent #:
Issue Dt:
08/31/1993
Application #:
07922357
Filing Dt:
07/29/1992
Title:
PROCESS FOR FORMING A BEARING SURFACE FOR ALUMINUM ALLOY
92
Patent #:
Issue Dt:
08/12/1997
Application #:
07923779
Filing Dt:
07/31/1992
Title:
METHOD FOR REDUCING NOISE DURING TRACK SEEKING IN A DISC DRIVE
93
Patent #:
Issue Dt:
11/16/1993
Application #:
07925324
Filing Dt:
08/06/1992
Title:
APPARATUS AND METHOD FOR MOUNTING TRANSDUCER HEADS IN A HARD DISK DRIVE
94
Patent #:
Issue Dt:
07/05/1994
Application #:
07929614
Filing Dt:
08/12/1992
Title:
APPARATUS AND METHOD FOR DETECTING ROTOR POSITION IN A SENSORLESS AND BRUSHLESS DC MOTOR
95
Patent #:
Issue Dt:
05/18/1993
Application #:
07936481
Filing Dt:
08/28/1992
Title:
DISK DRIVE INCLUDING UNITARY DECK FOR ALIGNING AND SUPPORTING AXIALLY RETRACTABLE SPINDLE ASSEMBLY
96
Patent #:
Issue Dt:
12/28/1993
Application #:
07942106
Filing Dt:
09/08/1992
Title:
DISK CLAMP WITH ANNULAR SPRING SECTION
97
Patent #:
Issue Dt:
08/17/1993
Application #:
07942107
Filing Dt:
09/08/1992
Title:
DIFFERENTIAL SLIMMER
98
Patent #:
Issue Dt:
12/13/1994
Application #:
07944393
Filing Dt:
09/14/1992
Title:
HIGH MAGNETIC MOMENT THIN FILM HEAD CORE
99
Patent #:
Issue Dt:
10/15/1996
Application #:
07950939
Filing Dt:
09/24/1992
Title:
MULTIPLE INTERFACE DRIVER CIRCUIT FOR A PERIPHERAL STORAGE DEVICE
100
Patent #:
Issue Dt:
08/05/1997
Application #:
07954981
Filing Dt:
09/30/1992
Title:
VOICE COIL MOTOR FOR A DISC DRIVE
Assignor
1
Exec Dt:
11/22/2000
Assignee
1
270 PARK AVENUE
NEW YORK, NEW YORK 10017
Correspondence name and address
FEDERAL RESEARCH CORPORATION
PENELOPE AGODOA
400 SEVENTH STREET, NW, SUITE 101
WASHINGTON, D.C. 20004

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