Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5075148 | Garden bench board made of plastic material, particularly of recyclable plastic material | Theo Rydmann | 1991-12-24 |
| 4917532 | Grid plate | Karl Haberhauer, Wolfgang Schibalski, Theo Rydman | 1990-04-17 |