John J. Gazzo Jr.

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Commack, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Line condition reporting system
- Patent number 4,581,493
- Issue date Apr 8, 1986
- Porta Systems Corp.
- John Gazzo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone digital office cutover system
- Patent number 4,334,129
- Issue date Jun 8, 1982
- Porta Systems Corp.
- Paul V. De Luca
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automated telephony testing and polling apparatus and system
- Patent number 3,969,594
- Issue date Jul 13, 1976
- Porta Systems Corporation
- Paul V. DeLuca
- H04 - ELECTRIC COMMUNICATION TECHNIQUE