Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6626267 | Apparatus and method for generating power onboard a hoist conveyance | Carl Sunderman, Richard Rains | 2003-09-30 |
| 5728953 | Cable load sensing device | William G. McCoy | 1998-03-17 |