Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6240572 | Toilet bowl sanitizing apparatus | Arthur C. Krahmer | 2001-06-05 |
| 4308456 | Method and apparatus for measuring the frequency of radiation | Allen Hooker, Gerald Puetz | 1981-12-29 |