Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6295652 | Helmet sock | — | 2001-10-02 |
| 4393960 | Low noise railroad retarder brake shoe structure | Emil M. Punko | 1983-07-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6295652 | Helmet sock | — | 2001-10-02 |
| 4393960 | Low noise railroad retarder brake shoe structure | Emil M. Punko | 1983-07-19 |