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Patents Grants
last 30 patents
Information
Patent Grant
Buffer memory arrangement
Patent number
4,334,287
Issue date
Jun 8, 1982
Sperry Rand Corporation
Gregory B. Wiedenman
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Error detection system
Patent number
4,326,291
Issue date
Apr 20, 1982
Sperry Rand Corporation
Phillip W. Marsh
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Shielded ribbon cable
Patent number
4,300,017
Issue date
Nov 10, 1981
Sperry Rand Corporation
Bernard A. Segretto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Row address memory map overlap
Patent number
4,295,192
Issue date
Oct 13, 1981
Sperry Rand Corporation
Brewster J. Porcella
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Floating point processor architecture which performs subtraction wi...
Patent number
4,282,582
Issue date
Aug 4, 1981
Sperry Rand Corporation
Wilson T. Wong
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Multiplier circuit which detects and skips over trailing zeros
Patent number
4,276,607
Issue date
Jun 30, 1981
Sperry Rand Corporation
Wilson T. Wong
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Autonomous fault diagnosis for disk drive using an internal micropr...
Patent number
4,268,905
Issue date
May 19, 1981
Sperry Rand Corporation
Donald F. Johann
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Delay line signal equalizer for magnetic recording signal detection...
Patent number
4,266,204
Issue date
May 5, 1981
Sperry Rand Corporation
George V. Jacoby
G11 - INFORMATION STORAGE
Information
Patent Grant
Electronic tachometer
Patent number
4,263,627
Issue date
Apr 21, 1981
Sperry Rand Corporation
Andrew M. Rose
G11 - INFORMATION STORAGE
Information
Patent Grant
Optimization of error detection and correction circuit
Patent number
4,253,182
Issue date
Feb 24, 1981
Sperry Rand Corporation
Brewster J. Porcella
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Apparatus and method for receiving and servicing request signals fr...
Patent number
4,237,535
Issue date
Dec 2, 1980
Sperry Rand Corporation
Gregory B. Wiedenman
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Voltage regulation loop for inverter power supply
Patent number
4,236,197
Issue date
Nov 25, 1980
Sperry Rand Corporation
Randolph D. W. Shelly
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Apparatus for scaling memory addresses
Patent number
4,234,934
Issue date
Nov 18, 1980
Sperry Rand Corporation
Lee T. Thorsrud
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Drive power sequencing
Patent number
4,233,666
Issue date
Nov 11, 1980
Sperry Rand Corporation
Per-Erik Walberg
G05 - CONTROLLING REGULATING
Information
Patent Grant
Performance monitor apparatus and method
Patent number
4,231,106
Issue date
Oct 28, 1980
Sperry Rand Corporation
David L. Heap
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Color display system using magneto-optic screen having a dispersive...
Patent number
4,229,072
Issue date
Oct 21, 1980
Sperry Rand Corporation
Ernest J. Torok
G02 - OPTICS
Information
Patent Grant
Asynchronous bidirectional interface with priority bus monitoring a...
Patent number
4,209,838
Issue date
Jun 24, 1980
Sperry Rand Corporation
Thomas E. Alcorn
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Magnetic recording signal equalization apparatus
Patent number
4,202,017
Issue date
May 6, 1980
Sperry Rand Corporation
Arthur P. Geffon
G11 - INFORMATION STORAGE
Information
Patent Grant
Timing circuit and method for a track following servo in a data sto...
Patent number
4,202,019
Issue date
May 6, 1980
Sperry Rand Corporation
Paul M. Popoff
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for weighting the priority of access to variab...
Patent number
4,200,928
Issue date
Apr 29, 1980
Sperry Rand Corporation
Iain D. Allan
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Phase comparator with dual phase detectors
Patent number
4,200,845
Issue date
Apr 29, 1980
Sperry Rand Corporation
Charles E. Mendenhall
G11 - INFORMATION STORAGE
Information
Patent Grant
Phase lock control system with trajectory correction
Patent number
4,193,020
Issue date
Mar 11, 1980
Sperry Rand Corporation
Hubert Song
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Adaptive circuit for extracting timing information from a repetitiv...
Patent number
4,189,784
Issue date
Feb 19, 1980
Sperry Rand Corporation
Charles E. Mendenhall
G11 - INFORMATION STORAGE
Information
Patent Grant
Sectorized data path following servo system
Patent number
4,188,646
Issue date
Feb 12, 1980
Sperry Rand Corporation
Frank J. Sordello
G11 - INFORMATION STORAGE
Information
Patent Grant
Multiple beam antenna array
Patent number
4,187,507
Issue date
Feb 5, 1980
Sperry Rand Corporation
Patrick E. Crane
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Integrating processor element
Patent number
4,184,201
Issue date
Jan 15, 1980
Sperry Rand Corporation
Robert A. Melberg
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
RAM error correction using two dimensional parity checking
Patent number
4,183,463
Issue date
Jan 15, 1980
Sperry Rand Corporation
Gary H. Kemmetmueller
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Self-regulating electronic tachometer
Patent number
4,184,108
Issue date
Jan 15, 1980
Sperry Rand Corporation
Frank J. Sordello
G05 - CONTROLLING REGULATING
Information
Patent Grant
Integrating I/O element
Patent number
4,184,200
Issue date
Jan 15, 1980
Sperry Rand Corporation
Richard J. Wagner
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Resonant multiplexer-demultiplexer for optical data communication s...
Patent number
4,182,544
Issue date
Jan 8, 1980
Sperry Rand Corporation
Donald H. McMahon
G02 - OPTICS
Patents Applications
last 30 patents
Trademark
last 30 trademarks
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Trademark
73111381 - SPERRY
Serial number
73111381
Registration number
1110825
Filing date
Jan 3, 1977
SPERRY RAND CORPORATION
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73111379 - SPERRY
Serial number
73111379
Registration number
1110824
Filing date
Jan 3, 1977
SPERRY RAND CORPORATION
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73102111 - SPERRY VICKERS
Serial number
73102111
Registration number
1065514
Filing date
Oct 4, 1976
SPERRY RAND CORPORATION
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
73102106 - SPERRY VICKERS
Serial number
73102106
Registration number
1065441
Filing date
Oct 4, 1976
SPERRY RAND CORPORATION
37 - Building construction
Information
Trademark
73102107 - SPERRY VICKERS
Serial number
73102107
Registration number
1065468
Filing date
Oct 4, 1976
SPERRY RAND CORPORATION
41 - Education
Information
Trademark
73102108 - SPERRY VICKERS
Serial number
73102108
Registration number
1065513
Filing date
Oct 4, 1976
SPERRY RAND CORPORATION
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
73102109 - SPERRY VICKERS
Serial number
73102109
Registration number
1065442
Filing date
Oct 4, 1976
SPERRY RAND CORPORATION
37 - Building construction
Information
Trademark
73102110 - SPERRY VICKERS
Serial number
73102110
Registration number
1065469
Filing date
Oct 4, 1976
SPERRY RAND CORPORATION
41 - Education
Information
Trademark
73100624 - SPERRY NEW HOLLAND
Serial number
73100624
Registration number
1071490
Filing date
Sep 22, 1976
SPERRY RAND CORPORATION
22 - Ropes, string, nets, tents, awnings, tarpaulins, sails, sacks and bags (not included in other classes)
Information
Trademark
73100613 - SPERRY NEW HOLLAND
Serial number
73100613
Registration number
1071489
Filing date
Sep 22, 1976
SPERRY RAND CORPORATION
22 - Ropes, string, nets, tents, awnings, tarpaulins, sails, sacks and bags (not included in other classes)
Information
Trademark
73100614 - SPERRY NEW HOLLAND
Serial number
73100614
Registration number
1095100
Filing date
Sep 22, 1976
SPERRY RAND CORPORATION
16 - Paper, cardboard and goods made from these materials, not included in other classes
Information
Trademark
73100611 - SPERRY NEW HOLLAND
Serial number
73100611
Registration number
1114883
Filing date
Sep 22, 1976
SPERRY RAND CORPORATION
16 - Paper, cardboard and goods made from these materials, not included in other classes
Information
Trademark
73097535 - SPERRY
Serial number
73097535
Registration number
1067581
Filing date
Aug 23, 1976
SPERRY RAND CORPORATION
7 - Machines and machine tools
Information
Trademark
73097533 - SPERRY VICKERS
Serial number
73097533
Registration number
1115615
Filing date
Aug 23, 1976
SPERRY RAND CORPORATION
16 - Paper, cardboard and goods made from these materials, not included in other classes
Information
Trademark
73097531 - SPERRY
Serial number
73097531
Registration number
1081546
Filing date
Aug 23, 1976
SPERRY RAND CORPORATION
7 - Machines and machine tools
Information
Trademark
73097532 - SPERRY VICKERS
Serial number
73097532
Registration number
1083932
Filing date
Aug 23, 1976
SPERRY RAND CORPORATION
16 - Paper, cardboard and goods made from these materials, not included in other classes
Information
Trademark
73092418 - SPERRY
Serial number
73092418
Registration number
1135565
Filing date
Jul 6, 1976
SPERRY RAND CORPORATION
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73090831 - SPERRY VICKERS
Serial number
73090831
Registration number
1141692
Filing date
Jun 17, 1976
SPERRY RAND CORPORATION
7 - Machines and machine tools
Information
Trademark
73090847 - SPERRY VICKERS
Serial number
73090847
Registration number
1145645
Filing date
Jun 17, 1976
SPERRY RAND CORPORATION
7 - Machines and machine tools
Information
Trademark
73090531 - SPERRY VICKERS
Serial number
73090531
Registration number
1075406
Filing date
Jun 16, 1976
SPERRY RAND CORPORATION
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73090609 - SPERRY VICKERS
Serial number
73090609
Registration number
1082395
Filing date
Jun 16, 1976
SPERRY RAND CORPORATION
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information
Trademark
73090547 - SPERRY VICKERS
Serial number
73090547
Registration number
1080288
Filing date
Jun 15, 1976
SPERRY RAND CORPORATION
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information
Trademark
73045041 - SPERRY UNIVAC
Serial number
73045041
Registration number
1023674
Filing date
Feb 24, 1975
SPERRY RAND CORPORATION
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73045040 - SPERRY UNIVAC
Serial number
73045040
Registration number
1038721
Filing date
Feb 24, 1975
SPERRY RAND CORPORATION
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73032601 - SPERRY NEW HOLLAND
Serial number
73032601
Registration number
1027767
Filing date
Sep 20, 1974
SPERRY RAND CORPORATION
7 - Machines and machine tools
Information
Trademark
73015371 - REMINGTON
Serial number
73015371
Registration number
1009949
Filing date
Mar 8, 1974
SPERRY RAND CORPORATION
21 - Household or kitchen utensils and containers
Information
Trademark
72430587 - REMINGTON
Serial number
72430587
Registration number
999410
Filing date
Jul 24, 1972
SPERRY RAND CORPORATION
37 - Building construction
Information
Trademark
72430505 - REMINGTON
Serial number
72430505
Registration number
988280
Filing date
Jul 21, 1972
SPERRY RAND CORPORATION
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
72430506 - REMINGTON
Serial number
72430506
Registration number
986980
Filing date
Jul 21, 1972
SPERRY RAND CORPORATION
10 - Surgical, medical, dental and veterinary apparatus and instruments, artificial limbs, eyes and teeth
Information
Trademark
72430068 - REMINGTON
Serial number
72430068
Registration number
989674
Filing date
Jul 17, 1972
SPERRY RAND CORPORATION
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes