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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:007074/0609   Pages: 12
Recorded: 07/28/1994
Conveyance: SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Total properties: 73
1
Patent #:
Issue Dt:
Application #:
05632322
Filing Dt:
Title:
2
Patent #:
Issue Dt:
Application #:
05644352
Filing Dt:
Title:
3
Patent #:
Issue Dt:
Application #:
05650213
Filing Dt:
Title:
4
Patent #:
Issue Dt:
05/30/1978
Application #:
05671534
Filing Dt:
03/29/1976
Title:
METHODS AND APPARATUS FOR PRECISION GUIDING A WEB
5
Patent #:
Issue Dt:
05/23/1978
Application #:
05674539
Filing Dt:
04/07/1976
Title:
WEB LEADER, WEB WINDING METHODS AND WOUND WEB WITH LEADER
6
Patent #:
Issue Dt:
08/23/1977
Application #:
05698570
Filing Dt:
06/22/1976
Title:
DATA CODING AND ERROR CORRECTING METHODS AND APPARATUS
7
Patent #:
Issue Dt:
02/13/1977
Application #:
05712871
Filing Dt:
08/09/1976
Title:
INTEGRAL RETAINED FILE PROTECT MEANS
8
Patent #:
Issue Dt:
Application #:
05714739
Filing Dt:
Title:
9
Patent #:
Issue Dt:
Application #:
05714926
Filing Dt:
Title:
10
Patent #:
Issue Dt:
11/07/1978
Application #:
05719747
Filing Dt:
09/02/1976
Title:
MAGNETIC INFORMATION TRANSDUCER ASSEMBLY
11
Patent #:
Issue Dt:
09/26/1978
Application #:
05759926
Filing Dt:
01/17/1977
Title:
ISTHMIAN PRECISION ADJUSTABLE MOUNT FOR MAGNET HEAD ASSEMBLY
12
Patent #:
Issue Dt:
Application #:
05784759
Filing Dt:
Title:
13
Patent #:
Issue Dt:
10/25/1983
Application #:
05925673
Filing Dt:
07/18/1978
Title:
BIDIRECTIONAL TAPE DRIVE SYSTEMS
14
Patent #:
Issue Dt:
08/05/1980
Application #:
05966676
Filing Dt:
12/05/1978
Title:
TRANSDUCER HEAD VIBRATION DAMPENING
15
Patent #:
Issue Dt:
03/25/1980
Application #:
05968330
Filing Dt:
12/11/1978
Title:
TAPE ADVANCING METHODS AND APPARATUS
16
Patent #:
Issue Dt:
06/16/1981
Application #:
06005539
Filing Dt:
01/22/1979
Title:
INFORMATION RECORDING METHODS AND APPARATUS
17
Patent #:
Issue Dt:
05/05/1981
Application #:
06054371
Filing Dt:
07/02/1979
Title:
TORSIONAL FLUID DAMPER SYSTEMS
18
Patent #:
Issue Dt:
05/19/1981
Application #:
06058225
Filing Dt:
07/16/1979
Title:
TAPE GUIDING METHOD AND APPARTUS
19
Patent #:
Issue Dt:
02/23/1982
Application #:
06063323
Filing Dt:
08/02/1979
Title:
METHODS AND APPARATUS FOR GUIDING TAPE
20
Patent #:
Issue Dt:
07/21/1981
Application #:
06077511
Filing Dt:
09/20/1979
Title:
TIME MODULATION PULSE AVERAGING DEMODULATOR
21
Patent #:
Issue Dt:
02/02/1982
Application #:
06102801
Filing Dt:
12/12/1979
Title:
TRANSDUCER HEAD MOUNTING STRUCTURES
22
Patent #:
Issue Dt:
06/29/1982
Application #:
06169698
Filing Dt:
07/17/1980
Title:
ADJUSTABLE TAPE GUIDING METHODS AND APPARATUS
23
Patent #:
Issue Dt:
10/19/1982
Application #:
06170370
Filing Dt:
07/21/1980
Title:
REEL MOUNTING METHODS AND APPARATUS
24
Patent #:
Issue Dt:
09/13/1983
Application #:
06345971
Filing Dt:
02/05/1982
Title:
BIDIRECTIONAL TAPE ADVANCING METHOD AND APPARATUS
25
Patent #:
Issue Dt:
04/17/1984
Application #:
06369853
Filing Dt:
04/19/1982
Title:
TAPE ADVANCING METHOD AND APPARATUS WITH FAST TAPE ADVANCE MODE
26
Patent #:
Issue Dt:
02/14/1984
Application #:
06369854
Filing Dt:
04/19/1982
Title:
TAPE ADVANCING METHODS AND APPARATUS WITH FAST TAPE ADVANCE MODE
27
Patent #:
Issue Dt:
12/18/1984
Application #:
06408102
Filing Dt:
08/16/1982
Title:
INFORMATION RECORDING SYSTEM WITH RECORDING PROCESS MONITORING FUNCTION
28
Patent #:
Issue Dt:
09/02/1986
Application #:
06642225
Filing Dt:
08/20/1984
Title:
FARADAY-EFFECT MAGNETO-OPTIC TRANSDUCER
29
Patent #:
Issue Dt:
03/03/1987
Application #:
06677359
Filing Dt:
12/03/1984
Title:
FRAME FOR POSITIONING TRANSDUCING HEAD
30
Patent #:
Issue Dt:
05/06/1986
Application #:
06689406
Filing Dt:
01/07/1985
Title:
MAGNETIC TAPE TRACKING CONTROL APPARATUS
31
Patent #:
Issue Dt:
03/04/1986
Application #:
06717204
Filing Dt:
03/28/1985
Title:
TAPE GUIDE MECHANISM FOR DYNAMIC TRACKING CONTROL
32
Patent #:
Issue Dt:
06/03/1986
Application #:
06746497
Filing Dt:
06/19/1985
Title:
COAXIAL REEL ASSEMBLY APPARATUS
33
Patent #:
Issue Dt:
03/31/1987
Application #:
06773284
Filing Dt:
09/06/1985
Title:
MAGNETO-OPTIC TRANSDUCER WITH ENHANCED SIGNAL PERFORMANCE
34
Patent #:
Issue Dt:
06/10/1986
Application #:
06811327
Filing Dt:
12/19/1985
Title:
FARADAY-EFFECT MAGNETO-OPTIC TRANSDUCER APPARATUS OF A ROTARY FORM
35
Patent #:
Issue Dt:
06/30/1987
Application #:
06879737
Filing Dt:
06/27/1986
Title:
TURNAROUND TAPE TRANSPORT APPARATUS WITH COMPENSATION FOR HEAD-TO-TAPE STICK-SLIP ACTION
36
Patent #:
Issue Dt:
09/20/1988
Application #:
06922239
Filing Dt:
10/23/1986
Title:
DUPLICATE DIGITAL DATA RECORDING APPARATUS FOR ENHANCING BIT ERROR RATE PERFORMANCE OF A DATA STORAGE MEDIUM
37
Patent #:
Issue Dt:
08/09/1988
Application #:
07033272
Filing Dt:
04/02/1987
Title:
HELICAL SCAN TAPE GUIDE APPARATUS
38
Patent #:
Issue Dt:
09/20/1988
Application #:
07033307
Filing Dt:
04/02/1987
Title:
"EXPANDABLE LOOP" METHOD OF AND APPARATUS FOR AUTOMATICALLY THREADING A WEB MATERIAL
39
Patent #:
Issue Dt:
10/18/1988
Application #:
07033308
Filing Dt:
04/02/1987
Title:
PNEUMATICALLY CONTROLLLED TAPE-LOADING TAPE-TRANSPORTING APPARATUS
40
Patent #:
Issue Dt:
04/04/1989
Application #:
07211933
Filing Dt:
06/27/1988
Title:
ROTARY HEAD SCANNER INCLUDING ANAMORPHIC BEAM-SHAPING APPARATUS IN AN OPTICAL SIGNAL-TRANSMISSION CHANNEL
41
Patent #:
Issue Dt:
05/02/1989
Application #:
07236863
Filing Dt:
08/26/1988
Title:
REEL SPINDLE APPARATUS WITH INTERNAL CLAMPING MEMBER
42
Patent #:
Issue Dt:
10/30/1990
Application #:
07236866
Filing Dt:
08/26/1988
Title:
MULTIPLE CHANNEL ROTARY MAGNETIC HEAD SCANNER HAVING STACKABLE ELECTRO-OPTICAL SIGNAL TRANSMISSION MODULES
43
Patent #:
Issue Dt:
08/15/1989
Application #:
07245473
Filing Dt:
09/16/1988
Title:
VOLTAGE CONTROLLED RESISTOR
44
Patent #:
Issue Dt:
01/02/1990
Application #:
07252842
Filing Dt:
10/03/1988
Title:
FAST CLOSURE METHOD FOR A DATA SIGNAL CHANNEL
45
Patent #:
Issue Dt:
01/02/1990
Application #:
07252843
Filing Dt:
10/03/1988
Title:
AUTOCALIBRATION OF A DATA SIGNAL CHANNEL THROUGH SIMULTANEOUS CONTROL SIGNALS
46
Patent #:
Issue Dt:
03/26/1991
Application #:
07274113
Filing Dt:
11/21/1988
Title:
APPARATUS FOR CHANGING THE HELIX ANGLE OF MAGNETIC TAPE RELATIVE TO A ROTARY HEAD SCANNER
47
Patent #:
Issue Dt:
02/05/1991
Application #:
07274900
Filing Dt:
11/21/1988
Title:
AUTOMATIC THREADING OF A WEB USING A FLEXIBLE THREADING BAND
48
Patent #:
Issue Dt:
01/02/1990
Application #:
07285832
Filing Dt:
12/16/1988
Title:
BELT DRIVE SYSTEM FOR A MAGNETIC TAPE CASSETTE TRANSPORT/ACCESSOR
49
Patent #:
Issue Dt:
01/08/1991
Application #:
07285833
Filing Dt:
12/16/1988
Title:
APPARATUS FOR TRANSPORTING A MAGNETIC TAPE CASSETTE
50
Patent #:
Issue Dt:
03/26/1991
Application #:
07285835
Filing Dt:
12/16/1988
Title:
SPRING DAMPENER ASSEMBLY FOR A SPROCKET DRIVEN BELT DRIVE SYSTEM
51
Patent #:
Issue Dt:
01/08/1991
Application #:
07286403
Filing Dt:
12/16/1988
Title:
APPARATUS FOR TRANSPORTING MAGNETIC TAPE CASSETTES OF DIFFERENT SIZES
52
Patent #:
Issue Dt:
09/18/1990
Application #:
07286426
Filing Dt:
12/19/1988
Title:
REFLECTIVE TACHOMETER/HEADWHEEL ASSEMBLY FOR A ROTARY HEAD SCANNER
53
Patent #:
Issue Dt:
01/29/1991
Application #:
07317364
Filing Dt:
03/01/1989
Title:
FULL RADIUS CARRIER TO DRUM CONTACT IN A ROTARY HEAD SCANNER
54
Patent #:
Issue Dt:
02/26/1991
Application #:
07317381
Filing Dt:
03/01/1989
Title:
REEL BRAKE ASSEMBLY ACTUATED BY LINEAR STEPPER MOTOR
55
Patent #:
Issue Dt:
09/03/1991
Application #:
07326141
Filing Dt:
03/20/1989
Title:
REEL HUB LATCH ASSEMBLY
56
Patent #:
Issue Dt:
10/23/1990
Application #:
07345378
Filing Dt:
04/28/1989
Title:
BIDIRECTIONAL WEB GUIDING SYSTEM
57
Patent #:
Issue Dt:
06/12/1990
Application #:
07349018
Filing Dt:
05/08/1989
Title:
TRACKING BIT SYNCHRONIZER
58
Patent #:
Issue Dt:
06/04/1991
Application #:
07360563
Filing Dt:
06/02/1989
Title:
FERRIS WHEEL MAGNETIC TAPE CASSETTE STORAGE AND HANDLING APPARATUS
59
Patent #:
Issue Dt:
02/05/1991
Application #:
07360956
Filing Dt:
06/02/1989
Title:
APPARATUS FOR MOVING A CASSETTE BETWEEN STORAGE AND RECEIVING LOCATIONS
60
Patent #:
Issue Dt:
08/07/1990
Application #:
07364047
Filing Dt:
06/08/1989
Title:
LOW POWER MAGNETIC TAPE REEL MOTOR AND BRAKE ASSEMBLY
61
Patent #:
Issue Dt:
11/10/1992
Application #:
07623825
Filing Dt:
12/07/1990
Title:
DIGITAL DATA SYNCHRONIZER
62
Patent #:
Issue Dt:
11/17/1992
Application #:
07712822
Filing Dt:
06/10/1991
Title:
MAGNETIC TAPE THREADING AND COMPLIANCE ELEMENT GUIDING APPARATUS
63
Patent #:
Issue Dt:
02/02/1993
Application #:
07712834
Filing Dt:
06/10/1991
Title:
A HELICAL SCAN MAGNETIC TAPE RECORDER WITH CAPSTAN ASSISTED VACUUM THREADING
64
Patent #:
Issue Dt:
09/07/1993
Application #:
07809189
Filing Dt:
12/17/1991
Title:
APPARATUS FOR THREADING MAGNETIC TAPE FROM A SINGLE REEL CARTRIDGE IN A ROTARY HEAD TAPE TRANSPORT
65
Patent #:
Issue Dt:
02/22/1994
Application #:
07834965
Filing Dt:
02/14/1992
Title:
AUTOTRACKING FOR A HELICAL SCAN MAGNETIC TAPE RECORDER
66
Patent #:
Issue Dt:
01/04/1994
Application #:
07858740
Filing Dt:
03/27/1992
Title:
A TECHNIQUE FOR RECORDING AND REPRODUCING LOW RATE DATA IN A HELICAL VEHICLE SCAN RECORDER HAVING A STATIONARY TIME CODE SIGNAL REPRODUCE MAGNETIC HEAD
67
Patent #:
Issue Dt:
06/14/1994
Application #:
07882728
Filing Dt:
05/14/1992
Title:
A MAGNETIC TAPE THREADING AND TRANSPORT APPARATUS INCLUDING A SENSOR FOR CONTROLLING AIR BEARING BLOCK MOVEMENT
68
Patent #:
Issue Dt:
06/28/1994
Application #:
07892074
Filing Dt:
06/01/1992
Title:
AUTOMATIC TRACKING METHOD FOR HELICAL SCAN MAGNETIC TAPE RECORDER USING REPRODUCED TIMINING SIGNAL TO SAMPLE TWO OUT-OF-PHASE REFERENCE SIGNALS
69
Patent #:
Issue Dt:
05/03/1994
Application #:
07978593
Filing Dt:
11/19/1992
Title:
TAPE KEEPER FOR TAPE TRANSPORT ELEMENTS
70
Patent #:
Issue Dt:
Application #:
UNAVAILABLE
Filing Dt:
Title:
71
Patent #:
Issue Dt:
Application #:
UNAVAILABLE
Filing Dt:
Title:
72
Patent #:
Issue Dt:
Application #:
UNAVAILABLE
Filing Dt:
Title:
73
Patent #:
Issue Dt:
Application #:
UNAVAILABLE
Filing Dt:
Title:
Assignor
1
Exec Dt:
07/21/1994
Assignee
1
225 SOUTH LAKE AVENUE
SUITE 1000
PASADENA, CALIFORNIA 91101
Correspondence name and address
MARSHALL C. STODDARD, ESQ.
KELLEY DRYE & WARREN
515 SOUTH FLOWER STREET, SUITE 1100
LOS ANGELES, CA 90071

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