John W. Spaniol

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Studio City, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Teletypewriter line keyer with switching current regulator
- Patent number 4,355,403
- Issue date Oct 19, 1982
- Frederick Electronics Corporation
- John W. Spaniol
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Distributed processing telex exchange
- Patent number 4,292,465
- Issue date Sep 29, 1981
- Frederick Electronics Corporation
- John F. Wilson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Circuit for handling conversation data in a distributed processing...
- Patent number 4,291,196
- Issue date Sep 22, 1981
- Frederick Electronics Corp.
- John W. Spaniol
- H04 - ELECTRIC COMMUNICATION TECHNIQUE