TH

Thomas A. Hollfelder

PS Porta Systems: 6 patents #9 of 53Top 20%
📍 Huntington, NY: #54 of 503 inventorsTop 15%
🗺 New York: #20,336 of 115,490 inventorsTop 20%
Overall (All Time): #770,016 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
D273289 Telephone connector block 1984-04-03
D273290 Telephone connector block 1984-04-03
D271965 Telephone terminal block or similar article 1983-12-27
D271295 Combined telephone connector block and circuit protector Paul V. De Luca 1983-11-08
D271100 Telephone connector block 1983-10-25
4335416 Telephone protector module having flag indicator Paul V. De Luca 1982-06-15
4334129 Telephone digital office cutover system Paul V. De Luca, John Gazzo 1982-06-08