Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5373593 | Hand cart for lifting and transporting toilets | Louis F. Atzel | 1994-12-20 |
| 5351920 | Pipe support | Louis F. Atzel | 1994-10-04 |
| 4192477 | Pipe-wall stud connector | Bruno Meyer | 1980-03-11 |