Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4462447 | Pneumatic tire | George J. Siefert, Michael A. Kolowski, John E. Lynch, Henry L. Gresens | 1984-07-31 |
| D271754 | Tire tread and buttress | Lawrence G. Jansen, Beale A. Robinson, John C. Struhsaker | 1983-12-13 |
| 4353403 | Pneumatic tire having air escape means | — | 1982-10-12 |
| 4296789 | Tread for pneumatic tire | Charles W. Roberts, Michael A. Kolowski, Daniel J. Lindner, John E. Lynch, Harold D. Fetty | 1981-10-27 |
| 4221254 | Tread for pneumatic tire | Charles W. Roberts, Michael A. Kolowski, Daniel J. Lindner, John E. Lynch, Harold D. Fetty | 1980-09-09 |