Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7296630 | Hands-free bail-elevator locking device with combined power/control connector, bail spreader and method for use | Iwo Severin, Jörn Grotherr | 2007-11-20 |
| 7216717 | Dual elevator system and method | Iwo Severin, Jörn Grotherr | 2007-05-15 |