Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5967265 | Self-leveling inclined lift device | Robert D. Bartelt | 1999-10-19 |
| 5810547 | Vehicle lift assembly | William W. Belson, III, Robert Boyd | 1998-09-22 |
| 5567107 | Extravehicular apparatus for loading and securing cargo | Robert Boyd | 1996-10-22 |
| 5147106 | Reinforced vehicle rear gate with optional hydraulic operation | Robert D. Bartelt, William W. Belson, III, Robert Boyd | 1992-09-15 |
| 5114120 | Pivotable extravehicular equipment mounting system | Robert D. Bartelt, William W. Belson, III | 1992-05-19 |
| 4991810 | Adjustable support base for mobile vehicle hoist | Terry A. Andrus, Robert D. Bartelt, William W. Belson, III, Scott M. Moen, Joseph A. Popelka | 1991-02-12 |
| 4541618 | Jig for framed wooden panels | — | 1985-09-17 |