Patents per Year
Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 12194188 | Rack for treatment of respiratory masks | Mark E. Zappi, William E. Holmes, Andrei Chistoserdov, Wayne Sharp, Alex Zappi +3 more | 2025-01-14 | |
| 10649410 | High resolution time-of-flight measurements | — | 2020-05-12 | |
| 5336473 | Stripper-reactor for volatile cobalt recovery | Kirk C. Nadler, Joseph K. Pitre | 1994-08-09 | $41,536,000 |
| 5235112 | Stripper-reactor for volatile cobalt recovery | Kirk C. Nadler, Joseph K. Pitre | 1993-08-10 | $103,796,000 |
| 5010860 | Internal combustion engine with twin combustion chambers | — | 1991-04-30 |