Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5196770 | Vertically reciprocating constant power drive unit for raising a load step by step | Joel Chardonneau, Jean-Louis Maupu, Jean-Bernard Ayasse | 1993-03-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5196770 | Vertically reciprocating constant power drive unit for raising a load step by step | Joel Chardonneau, Jean-Louis Maupu, Jean-Bernard Ayasse | 1993-03-23 |