Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11548033 | Sieving device | Markus H. Gericke | 2023-01-10 |
| 4810105 | Bearing sleeves | Manmohan S. Kalsi | 1989-03-07 |
| 4725197 | Devices for imparting rotary motion | Michael K. Russell | 1988-02-16 |
| 4714403 | Down-hole devices for imparting rotary motion | Michael K. Russell | 1987-12-22 |