Edwin Joscelyn

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Commack, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Dual hybrid demand refrigeration control apparatus
- Patent number 5,023,531
- Issue date Jun 11, 1991
- Arx, Inc.
- George A. Altemose
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Arcuately tensioned piezoelectric diaphragm microphone
- Patent number 4,379,211
- Issue date Apr 5, 1983
- Telephonics Corporation
- Edwin Joscelyn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electro-acoustic transducer assembly
- Patent number 4,306,121
- Issue date Dec 15, 1981
- Instrument Systems Corporation
- Edwin Joscelyn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Voice transmitting apparatus for a breathing mask
- Patent number 4,072,831
- Issue date Feb 7, 1978
- Instrument Systems Corporation
- Edwin Joscelyn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE