Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D297066 | Hard hat cover | Steven B. Schonwetter | 1988-08-09 |
| D297067 | Hard hat cover | Steven B. Schonwetter | 1988-08-09 |
| 4397045 | Liner for fire helmet or the like | Steven B. Schonwetter | 1983-08-09 |
| D269304 | Helmet liner | Steven B. Schonwetter | 1983-06-14 |