Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5095642 | Foldable sign | Earl W. Karsten | 1992-03-17 |
| 4798031 | Double pole spanner display | — | 1989-01-17 |
| 4783921 | Mounting arrangement for wind-deflectable bending sign | — | 1988-11-15 |
| D268273 | Holder for displaying discrete portions of multiple indicia sign rolls | — | 1983-03-15 |