Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7900724 | Hybrid drive for hydraulic power | John Pantzke | 2011-03-08 |
| 6810993 | Articulated aerial device including an upper boom compensation unit | Robert F. Ryan, John Pantzke | 2004-11-02 |
| 4687365 | Load limited swivel connector | — | 1987-08-18 |
| 4318638 | Cable detensioning apparatus | Richard W. Steinberg | 1982-03-09 |