RE

Robert J. Esterling

FS Federal Signal: 2 patents #162 of 717Top 25%
📍 Horsham, PA: #80 of 185 inventorsTop 45%
🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%
Overall (All Time): #2,346,529 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4569060 FSK Coding method and apparatus involving multiples and submultiples of a given frequency Clarence L. Freed, Edward L. Weiss 1986-02-04
4528675 FSK modem for bidirectional loop communications system Clarence L. Freed, Edward L. Weiss, Simon Korowitz 1985-07-09