Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4653783 | Device for detachably securing a housing part | — | 1987-03-31 | $678,000 |
| 4639801 | Loading mechanism for a magnetic tape cassette apparatus | Rolf D. Hoppmanns, Willibald Wieczorek, Franz Beitler | 1987-01-27 | $418,000 |