Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5023023 | Method of forming curved transparent cellulose diacetate visor having silk screened electric heating conductor | — | 1991-06-11 |
| 4996981 | Apparatus for removing condensate from a sealed face visor and for indicating a dangerous environmental temperature | Dennis W. Sterner | 1991-03-05 |
| 4638728 | Visor defroster | — | 1987-01-27 |