Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4950971 | Device for powering electrical loads, particularly on bicycles | Robert Hegi | 1990-08-21 |
| 4680198 | Method of producing a scratch resistant coating on a sheet of thermoplastic material | Julius-Ludwig Herczeg, Martin Lenhard | 1987-07-14 |