Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5519915 | Vehicular vacuum collector with boom height adjustment | — | 1996-05-28 |
| 4911673 | Toy viewing apparatus assembly kit | — | 1990-03-27 |
| 4702037 | Service window | John F. Hollowell | 1987-10-27 |
| 4643776 | Battery powered vacuum trash collector | John F. Hollowell | 1987-02-17 |
| 4535501 | Battery powered vacuum trash collector | John F. Hollowell | 1985-08-20 |