Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5305713 | Angular rotation rotary cleaning device | — | 1994-04-26 |
| 5172653 | Adjustable angle rotary cleaning device | — | 1992-12-22 |
| 4945862 | Two dimensional shuttle rotary cleaning device | — | 1990-08-07 |
| 4690159 | Rotary cleaning device | Thomas A. Hoenigman | 1987-09-01 |