John A. Harper

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for generating a 48-bit frame check sequence
- Patent number 5,553,085
- Issue date Sep 3, 1996
- Digital Equipment Corporation
- Anthony G. Lauck
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for generating a 48-bit frame check sequence
- Patent number 5,307,355
- Issue date Apr 26, 1994
- Digital Equipment International Limited
- Anthony G. Lauck
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Message switching network monitoring
- Patent number 5,305,305
- Issue date Apr 19, 1994
- Digital Equipment International Limited
- John A. Harper
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multiple protocol routing
- Patent number 5,251,205
- Issue date Oct 5, 1993
- Digital Equipment Corporation
- Ross W. Callon
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Session control in network for digital data processing system which...
- Patent number 5,136,716
- Issue date Aug 4, 1992
- Digital Equipment Corporation
- George A. Harvey
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Network transit prevention
- Patent number 5,134,610
- Issue date Jul 28, 1992
- Digital Equipment Corporation
- I. Michael C. Shand
- H04 - ELECTRIC COMMUNICATION TECHNIQUE