Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6464352 | Detachable shelter frame for mounting in front of a primary spectacle frame | — | 2002-10-15 |
| 6382787 | Spectacles set with a detachable sunglasses for mounting on a primary spectacle frame by means of magnetic attraction and interlocking engagement | — | 2002-05-07 |
| 6231180 | Detachable shelter frame for spectacles | — | 2001-05-15 |
| 6106277 | Safety arrangement of piezoelectric unit for piezoelectric lighter | — | 2000-08-22 |