Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D361177 | Surface cleaning apparatus | — | 1995-08-08 |
| D351490 | Surface cleaning apparatus | — | 1994-10-11 |
| D349790 | Blast head for an abrasive cleaning machine | — | 1994-08-16 |
| D314257 | Surface cleaning vehicle | — | 1991-01-29 |
| 4894959 | Method and apparatus for cleaning a surface utilizing shot blasting | — | 1990-01-23 |