Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5092389 | Device for controlling the operation of a roll-up cloth curtain | — | 1992-03-03 |
| 5090468 | Device for locking a roll-up curtain, for protection of window openings and the like, in the shut position | — | 1992-02-25 |
| 5083601 | Support for roll-up curtains | — | 1992-01-28 |
| 5078198 | Take-up roller for curtains of the roll-up type | — | 1992-01-07 |
| 5031682 | Device for adjustable pre-loading of elastic means associated with a take-up roller | — | 1991-07-16 |