Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4566648 | Device for applying and conveying a protective cover for a toilet seat | Dipl.-Ing. B. Hefty | 1986-01-28 |
| 4565336 | Take-up spool for a device for applying and conveying a hose-shaped protective covering for a toilet seat | Bela Hefty | 1986-01-21 |
| 4213212 | Arrangement for fitting and changing a tubular cover made of plastic film on a toilet seat, and method for forming a tube | Bela Hefty | 1980-07-22 |