Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6792708 | Lightweight collapsible sign | James Kokenas, Donald E. Hans | 2004-09-21 |
| 6793191 | Quick release mechanism for use with a supporting device | Jeffrey A. Williams | 2004-09-21 |
| 6769833 | Pivoting vehicle barrier | James G. Kokenes | 2004-08-03 |
| 6685156 | Quick release mechanism for use with a supporting device | James G. Kokenes, Jeffrey A. Williams | 2004-02-03 |