Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11199006 | Slab bolster with improved connector system | John H. Gilner, Steven R. Wilbur | 2021-12-14 |
| D932285 | Support chair for poured concrete reinforcement members | John H. Gilner, Steven R. Wilbur | 2021-10-05 |
| D923775 | Hygienic face mask | John H. Gilner, Steven R. Wilbur | 2021-06-29 |