Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4383810 | Forming concrete support chairs | Christopher B. Bunn | 1983-05-17 |
| 4273522 | Reinforcing member support in concrete extruders | Christopher B. Bunn | 1981-06-16 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4383810 | Forming concrete support chairs | Christopher B. Bunn | 1983-05-17 |
| 4273522 | Reinforcing member support in concrete extruders | Christopher B. Bunn | 1981-06-16 |