Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4683374 | Method and means for multiplexing optical sensors | — | 1987-07-28 |
| 4569060 | FSK Coding method and apparatus involving multiples and submultiples of a given frequency | Robert J. Esterling, Clarence L. Freed | 1986-02-04 |
| 4528675 | FSK modem for bidirectional loop communications system | Robert J. Esterling, Clarence L. Freed, Simon Korowitz | 1985-07-09 |
| 4501021 | Fiber optic data highway | — | 1985-02-19 |