Harold G. Markey

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Raleigh, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Self-switched data port in-band signaling protocol
- Patent number 4,434,486
- Issue date Feb 28, 1984
- IBM Corporation
- Robert P. Barner
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
External management of satellite linked exchange network
- Patent number 4,009,345
- Issue date Feb 22, 1977
- International Business Machines Corporation
- Donald C. Flemming
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Modular branch exchange and nodal access units for multiple access...
- Patent number 4,009,347
- Issue date Feb 22, 1977
- International Business Machines Corporation
- Donald C. Flemming
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Switching and activity compression between telephone lines and digi...
- Patent number 4,009,343
- Issue date Feb 22, 1977
- International Business Machines Corporation
- Harold G. Markey
- H04 - ELECTRIC COMMUNICATION TECHNIQUE