Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5259109 | Machine for the automatic fitting of piston rings onto pistons | Alfred Schreiber, Donatus Nwokoye, Francois G. Charton | 1993-11-09 |
| 5027996 | Method of manufacturing a hollow shaft with internal swellings of revolution and shaft obtained by this method | Gerard Perrin | 1991-07-02 |
| 4491119 | Diesel oil heater for diesel engine | — | 1985-01-01 |