Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4799290 | Cabinet hinge | — | 1989-01-24 |
| 4797972 | Sheet metal insert cup for cabinet hinges having a mortise centering mechanism | — | 1989-01-17 |
| 4797045 | Formation of a screw thread in mounting holes in furniture hardware made of sheet metal | Gerhard Lautenschlager | 1989-01-10 |