Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12286299 | Multiposition lift | Larry M. Sweet, Kil Kwak, Kirill K. Pankratov, Russell G. Barbour, William Johnson +2 more | 2025-04-29 |
| 11858742 | Multiposition lift | Larry M. Sweet, Kil Kwak, Kirill K. Pankratov, Russell G. Barbour, William Johnson +2 more | 2024-01-02 |
| 11273983 | Multiposition lift | Larry M. Sweet, Kil Kwak, Kirill K. Pankratov, Russell G. Barbour, William Johnson +2 more | 2022-03-15 |
| 10730699 | Multiposition lift | Larry M. Sweet, Kil Kwak, Kirill K. Pankratov, Russell G. Barbour, William Johnson +2 more | 2020-08-04 |
| 10035650 | Multiposition lift | Larry M. Sweet, Kil Kwak, Kirill K. Pankratov, Russell G. Barbour, William Johnson +2 more | 2018-07-31 |
| 9481517 | Multiposition lift | Larry M. Sweet, Kil Kwak, Kirill K. Pankratov, Russell G. Barbour, William Johnson +2 more | 2016-11-01 |