Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5669432 | Automatic-locking mechanical drive construction | Ronald E. Bischoff | 1997-09-23 |
| 5392887 | Bi-directional tapered roller clutch | — | 1995-02-28 |
| 4859429 | Ozone generating device | — | 1989-08-22 |
| 4623012 | Headrail hardware for hanging window coverings | Edward T. Rude, Martin Waine | 1986-11-18 |
| 4499937 | Window shade system for reducing heat transport through windows | Martin Waine, Edward T. Rude | 1985-02-19 |
| 4433765 | Spring clutches | Edward T. Rude, Martin Waine | 1984-02-28 |
| 4427100 | Reversible tool handle | Edward T. Rude, Martin Waine | 1984-01-24 |
| 4372432 | Bi-directional clutch | Martin Waine | 1983-02-08 |
| 4253554 | Bi-directional clutch | — | 1981-03-03 |