Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6729171 | Cold forming by rolling of parts made of press sintered material | Claude Ladousse, Charles Marcon | 2004-05-04 |
| 5365763 | Device for shaping of helical fins on the outer wall of a tube | Charles Marcon | 1994-11-22 |
| 5339669 | Apparatus and process permitting the cold forming of grooves on the wall of a revolving part | Jean-Paul Lespour, Charles Marcon | 1994-08-23 |
| 4211029 | Safety pyramid toy spindle | — | 1980-07-08 |