KD

Kalman Drebin

📍 Brooklyn, NY: #2,473 of 6,894 inventorsTop 40%
🗺 New York: #48,759 of 115,490 inventorsTop 45%
Overall (All Time): #2,324,958 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4941166 Muting circuit for telephone answering machine Herbert Waldman 1990-07-10
4726048 Telephone privacy circuit Herbert Waldman 1988-02-16