Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9932942 | Flexible porous non-pollutive tube | — | 2018-04-03 |
| 6386316 | Device for controlling the porosity of a helical, flexible, sound-absorbing air-conducting tube | — | 2002-05-14 |
| 5962820 | Sound suppressing device for clean air tube | — | 1999-10-05 |
| 5952622 | Sound suppressing device for installation inside an internal combustion engine's air filter box | — | 1999-09-14 |
| 5603358 | Flexible cylindrical tube for conducting gas | — | 1997-02-18 |