Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5829303 | Method and apparatus for measuring a liquid level using a liquid level gauge having reed switches to determine the position of a magnetic float | — | 1998-11-03 |
| 5291031 | Optical phase difference range determination in liquid level sensor | Robert I. MacDonald | 1994-03-01 |
| 5023869 | Method and apparatus for maximizing the transmission capacity of a multi-channel bidirectional communications link | Wayne D. Grover, Tommy Fong, Joe P. Dubuc, Witold A. Krzymien | 1991-06-11 |
| 4789987 | Automatic modulation control apparatus | — | 1988-12-06 |