Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12331600 | Safety clutch system for circulation/fill-up/flowback tool | Federico Amezaga | 2025-06-17 |
| 6997302 | Escalator drive mechanism with failure detection and backup | Richard N. Fargo, Jorg Ostermeier, Charles W. Darling, III, Bernward Engelke, John M. Milton-Benoit | 2006-02-14 |