Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6236169 | Supply circuit for a fluorescent tube installation | Heinz Burtscher, Alfred Hug, Patrick Meier | 2001-05-22 |
| D296124 | Dun wing fly | — | 1988-06-07 |
| D295998 | Fly fishing fly | — | 1988-05-31 |
| 4723372 | Barbless fish hook | — | 1988-02-09 |
| 4604821 | Fly fishing junction leader | — | 1986-08-12 |
| D283340 | Leader dispenser | — | 1986-04-08 |