Frank P. Karkota Jr.

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Westford, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Multiple audio channel broadcast system
- Patent number 5,214,787
- Issue date May 25, 1993
- Frank P. Karkota
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Modular communications system including a portable unit range exten...
- Patent number 5,163,158
- Issue date Nov 10, 1992
- Robert K. Tendler
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Modular communications system including a portable unit range exten...
- Patent number 5,073,972
- Issue date Dec 17, 1991
- Robert K. Tendler
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Superheterodyne SCA receiver and method for the manufacture thereof
- Patent number 5,023,933
- Issue date Jun 11, 1991
- Frank P. Karkota
- H04 - ELECTRIC COMMUNICATION TECHNIQUE