Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D335409 | Drawer front | — | 1993-05-11 |
| D319362 | Shelf | William F. Ryczek, Douglas R. Smith | 1991-08-27 |
| 4995323 | Modular shelving and hanger bar system | William F. Ryczek, Douglas R. Smith | 1991-02-26 |
| D314682 | Shelf | William F. Ryczek, Douglas R. Smith | 1991-02-19 |