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 | Michael J. Beus, Carl Sunderman | 2003-09-30 |
| 6134856 | Roll roofing membrane | Amir Khan, Joseph Randall Bruns, Michael Di Stefano | 2000-10-24 |