Issued Patents 1989
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888853 | Furniture hinge including hinge arm releasably connected to mounting plate | Erich Rock, Helmut Rupprechter | 1989-12-26 |
| 4882808 | Furniture hinge including hinge arm releasably connected to mounting plate | Erich Rock, Helmut Rupprechter | 1989-11-28 |
| 4875746 | Drawer assembly | Erich Rock | 1989-10-24 |
| 4874212 | Device for fastening a front plate to metal drawer side walls | Erich Rock | 1989-10-17 |
| 4850659 | Fastening device for adjustable front plates of drawers | Erich Rock | 1989-07-25 |
| 4850080 | Hinge | Erich Rock, Helmut Rupprechter | 1989-07-25 |
| 4846538 | Fastening device for adjustable front plates of drawers | Erich Rock | 1989-07-11 |
| 4832420 | Fastening device for adjustable front plates of drawers | Erich Rock | 1989-05-23 |
| 4800621 | Hinge | Erich Rock, Helmut Rupprechter | 1989-01-31 |
| 4800622 | Furniture hinge including hinge arm releasably connected to a mounting plate | Erich Rock, Helmut Rupprechter | 1989-01-31 |