Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D323921 | Sleeping bag | — | 1992-02-18 |
| 4891897 | Display panel | Detlef J. Gieske | 1990-01-09 |
| 4780349 | Display panel | Detlef J. Gieske | 1988-10-25 |
| 4722147 | Display panel | Detlef J. Gieske | 1988-02-02 |