Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D329626 | Pneumatic tire tread and buttress | Pierre Kummer | 1992-09-22 |
| D328577 | Pneumatic tire tread and buttress | Richard Heinen, Claude Lardo | 1992-08-11 |
| 5085259 | Tire tread | Pierre Kummer | 1992-02-04 |
| D308503 | Tire | Leo J. Hitzky, Frederick W. Miller, Richard L. Galante, Terry J. Waibel, Michael A. Kolowski +1 more | 1990-06-12 |
| 4865099 | Tire treads with variable depth grooves | — | 1989-09-12 |
| D302412 | Design for a tire | Frank Weyrich | 1989-07-25 |
| D302411 | Tire | Frank Weyrich | 1989-07-25 |
| 4823855 | Pneumatic tire tread pattern | Leo J. Hitzky, Frederick W. Miller, Richard L. Galante, Terry J. Waibel, Michael A. Kolowski +1 more | 1989-04-25 |
| D295733 | Tire | Georges Adam | 1988-05-17 |
| D284649 | Tire | Henry T. Kwee | 1986-07-15 |
| 4462445 | Pneumatic tire tread | — | 1984-07-31 |
| 4462446 | Pneumatic tire tread | Jacob Kleywegt | 1984-07-31 |
| 4397344 | Tread for heavy-duty radial tires | Guy J. Kind | 1983-08-09 |