Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D915722 | Control device of vacuum lift | — | 2021-04-06 |
| 9415975 | Vacuum tube lifting device and lifting hose and method for control of a vacuum tube lifting device | — | 2016-08-16 |