Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4834692 | Universal joint for use with shafting | Hans Lindenthal | 1989-05-30 |
| 4752275 | Coupling with a hub for transmitting a torque onto a shaft | Hans Lindenthal | 1988-06-21 |
| 4215443 | Toilet anti-splash and silencer device | — | 1980-08-05 |