Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33690 | Level sensor | Harold P. Adams, Jr., David R. Hill, William E. Banton, Lee M. Richey, David Taylor | 1991-09-17 |
| 4747451 | Level sensor | Harold P. Adams, Jr., David R. Hill, Lee M. Richey, William E. Banton, David Taylor | 1988-05-31 |