Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6237895 | Crowd control rail assembly | — | 2001-05-29 |
| D320172 | Safety road channelizer | — | 1991-09-24 |
| 5046885 | Hinged barricade with limiting bolt | — | 1991-09-10 |
| 5036791 | Stackable road delineator | — | 1991-08-06 |
| D317580 | Safety road channelizer | — | 1991-06-18 |
| 5009541 | Plastic barricade with limiting bolt | — | 1991-04-23 |
| 5003912 | Interlocking stacking plastic barricades | — | 1991-04-02 |
| 4516109 | Road barricade flasher light combination | — | 1985-05-07 |