Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D996653 | Bollard | Harry D. Dickinson, David G. Dickinson | 2023-08-22 |
| 11384493 | Portable barricade and portable barricade system | Harry D. Dickinson, David G. Dickinson, Judy L. Manor | 2022-07-12 |
| 10941531 | Portable bollard and barricade system | Harry D. Dickinson, David G. Dickinson | 2021-03-09 |
| D903906 | Bollard | Harry D. Dickinson, David G. Dickinson | 2020-12-01 |
| 10407852 | Portable bollard and barricade system | Harry D. Dickinson, David G. Dickinson | 2019-09-10 |