Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859174 | Device for igniting combustible materials | Yves Gendey | 1989-08-22 |
| 4832479 | Spectacle frame with resilient hinges | Karl-Heinz Beyer | 1989-05-23 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859174 | Device for igniting combustible materials | Yves Gendey | 1989-08-22 |
| 4832479 | Spectacle frame with resilient hinges | Karl-Heinz Beyer | 1989-05-23 |