Donald R. Casady

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Tulsa, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Digital communication apparatus and method
- Patent number 4,980,887
- Issue date Dec 25, 1990
- Seiscor Technologies
- Lee V. Dively
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Integrated data voice multiplexer supporting handshake and loop-bac...
- Patent number 4,908,819
- Issue date Mar 13, 1990
- Seiscor Technologies, Inc.
- Donald R. Casady
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Remote digital carrier alarm and terminal by-pass system
- Patent number 4,759,009
- Issue date Jul 19, 1988
- Seiscor Technologies, Inc.
- Donald R. Casady
- H04 - ELECTRIC COMMUNICATION TECHNIQUE