Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6625912 | Lightweight collapsible sign | James Kokenas, Donald E. Hans | 2003-09-30 |
| 6622408 | Lightweight collapsible sign | James J. Kokenas, Donald E. Hans | 2003-09-23 |
| 6604719 | Sign stand for mounting flexible sign panels | James G. Kokenes, Jeffrey A. Williams | 2003-08-12 |