Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4958795 | Fitting for the sorting of plans in a vertical filing cabinet | — | 1990-09-25 |
| 4742598 | Vertical filing cabinet having a device for balancing and holding lid in a safety position | — | 1988-05-10 |
| 4732433 | Device preventing the simultaneous opening of a plurality of superposed drawers in a common piece of furniture | — | 1988-03-22 |
| 4728162 | Device for the compensated guidance and graduated opening of the door of a vertical filing cabinet for suspended plans | — | 1988-03-01 |
| 4605189 | Anti-fail device for locking a drawing-board pillar against motion | — | 1986-08-12 |
| 4557450 | Drawing board locking device | — | 1985-12-10 |
| 4486956 | Control device for drawing instruments | — | 1984-12-11 |
| 4359824 | Protractor unit for drawing-board | — | 1982-11-23 |
| 4360180 | Device for locking the drawing board of a drawing table assembly | — | 1982-11-23 |