Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4435103 | Connection for furniture frame parts, particularly office furniture | Norbert Hildebrandt | 1984-03-06 |
| 4296981 | Desk with a channel for receiving cables, wires etc. | Norbert Hildebrandt, Rolf Walter, Manfred Hoffman | 1981-10-27 |