Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4278150 | Elevator system | Henry A. Wehrli, III, Dirk J. Boomgaard | 1981-07-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4278150 | Elevator system | Henry A. Wehrli, III, Dirk J. Boomgaard | 1981-07-14 |