Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10254262 | Hydrogen sulfide detecting apparatus | Christopher KEVIL, John Glawe, Clifton F. Frilot | 2019-04-09 |
| 6694930 | Piston assembly for use in a free piston internal combustion engine | Willibald G. Berlinger, William E. Moser, Cornelius Opris, Christopher Wark | 2004-02-24 |
| 6463903 | Piston assembly for free piston internal combustion engine | Willibald G. Berlinger, William E. Moser | 2002-10-15 |