Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D948993 | Support chair for poured concrete reinforcement members | G. Douglas Hartzheim, Steven R. Wilbur | 2022-04-19 |
| D944072 | Spacer wheel for poured concrete reinforcement members | G. Douglas Hartzheim, Steven R. Wilbur | 2022-02-22 |
| D939934 | Spacer wheel for poured concrete reinforcement members | G. Douglas Hartzheim, Steven R. Wilbur | 2022-01-04 |