Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5135074 | Telescopic boom elevating apparatus with a mechanical lift and level linkage system | — | 1992-08-04 |
| 4690246 | Articulated work platform with scissors motion | Paul Pezewski | 1987-09-01 |