Patents per Year
Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9312684 | Solid state switch | — | 2016-04-12 |
| 4636705 | Switching circuit utilizing a field effect transistor | — | 1987-01-13 |
| 4636706 | Generator voltage regulating system | Richard J. Voss, Thomas E. Kirk | 1987-01-13 |
| 4367976 | Expansion joint sealing strip assembly for roadways, bridges and the like | — | 1983-01-11 |
| D265687 | Expansion joint sealing strip for roadway joints and the like | — | 1982-08-03 |
| D261555 | Expansion joint sealing strip for roadway joints and the like | — | 1981-10-27 |
| D261045 | Expansion joint sealing strip for roadway joints and the like | — | 1981-09-29 |
| D261046 | Expansion joint sealing strip assembly for roadways and the like | — | 1981-09-29 |
| D260684 | Expansion joint sealing strip for roadway joints | — | 1981-09-08 |
| D260557 | Expansion joint sealing strip assembly for roadway joints | — | 1981-09-01 |