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Ricky C. Hetherington
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Westborough, MA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Apparatus for determining memory bank availability in a computer sy...
Patent number
6,360,285
Issue date
Mar 19, 2002
Compaq Computer Corporation
David M. Fenwick
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Performance optimization and system bus duty cycle reduction by I/O...
Patent number
6,353,877
Issue date
Mar 5, 2002
Compaq Computer Corporation
Samuel Hammond Duncan
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Apparatus and method for operating clock sensitive devices in multi...
Patent number
6,327,667
Issue date
Dec 4, 2001
Compaq Computer Corporation
Ricky C. Hetherington
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Performance optimization and system bus duty cycle reduction by I/O...
Patent number
6,128,711
Issue date
Oct 3, 2000
Compaq Computer Corporation
Samuel Hammond Duncan
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Distributed data bus sequencing for a system bus with separate addr...
Patent number
6,076,129
Issue date
Jun 13, 2000
Digital Equipment Corporation
David M. Fenwick
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Distributed data bus sequencing for a system bus with separate addr...
Patent number
5,666,551
Issue date
Sep 9, 1997
Digital Equipment Corporation
David M. Fenwick
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Delay compensated signal propagation
Patent number
5,475,690
Issue date
Dec 12, 1995
Digital Equipment Corporation
Douglas J. Burns
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System for translation of virtual to physical addresses by operatin...
Patent number
5,349,651
Issue date
Sep 20, 1994
Digital Equipment Corporation
Ricky C. Hetherington
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Integrated circuit chip having primary and secondary random access...
Patent number
5,285,323
Issue date
Feb 8, 1994
Digital Equipment Corporation
Ricky C. Hetherington
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Scheme for insuring data consistency between a plurality of cache m...
Patent number
5,222,224
Issue date
Jun 22, 1993
Digital Equipment Corporation
Michael E. Flynn
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for ordering and queueing multiple memory requ...
Patent number
5,222,223
Issue date
Jun 22, 1993
Digital Equipment Corporation
David A. Webb
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System for queuing individual read or write mask and generating res...
Patent number
5,142,631
Issue date
Aug 25, 1992
Digital Equipment Corporation
John E. Murray
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for resolving a variable number of potential m...
Patent number
5,125,083
Issue date
Jun 23, 1992
Digital Equipment Corporation
David B. Fite
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Virtual instruction cache system using length responsive decoded in...
Patent number
5,113,515
Issue date
May 12, 1992
Digital Equipment Corporation
David B. Fite
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for increasing the data storage rate of a comp...
Patent number
5,019,965
Issue date
May 28, 1991
Digital Equipment Corporation
David A. Webb
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Write back buffer with error correcting capabilities
Patent number
4,995,041
Issue date
Feb 19, 1991
Digital Equipment Corporation
Ricky C. Hetherington
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System for delaying processing of memory access exceptions until th...
Patent number
4,985,825
Issue date
Jan 15, 1991
Digital Equipment Corporation
David A. Webb
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for detecting and correcting errors in a pipel...
Patent number
4,982,402
Issue date
Jan 1, 1991
Digital Equipment Corporation
Richard C. Beaven
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus using a cache and main memory for both vector...
Patent number
4,888,679
Issue date
Dec 19, 1989
Digital Equipment Corporation
Tryggve Fossum
G06 - COMPUTING CALCULATING COUNTING