Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D837844 | Air lock access door | Peter C. Simpson | 2019-01-08 |
| 5540471 | Hand tool for handling sheet material | — | 1996-07-30 |
| D313858 | Shower door stile | — | 1991-01-15 |
| D313478 | Shower door wall frame extension member | — | 1991-01-01 |
| D306079 | Shower door frame return jamb | — | 1990-02-13 |
| D306078 | Shower door panel frame member | — | 1990-02-13 |
| D306080 | Shower door head track | — | 1990-02-13 |
| D306081 | Shower door frame sill | — | 1990-02-13 |
| 4483030 | Air pad | Roland E. Flick, Ronald D. Wortman, Krstin Fotevski | 1984-11-20 |
| 4454615 | Air pad with integral securement straps | — | 1984-06-19 |