Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10465386 | Concrete spacer with supporting element | James E Erdahl | 2019-11-05 |
| D779310 | Rebar chair | James E Erdahl | 2017-02-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10465386 | Concrete spacer with supporting element | James E Erdahl | 2019-11-05 |
| D779310 | Rebar chair | James E Erdahl | 2017-02-21 |