Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D512892 | Automatic screwfeeder head | David C. Campbell, Rod Muir, Aldo Balatti, John S. Roemer | 2005-12-20 |
| 6945140 | Automatic screwfeeder | David C. Campbell, Rod Muir, Aldo Balatti | 2005-09-20 |
| 6935541 | Caulk gun pressurizing system | David C. Campbell | 2005-08-30 |