Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4547417 | Core plug | Richard E. DeMarco, David Alan Hopkins | 1985-10-15 |
| 4484715 | Core plug | Richard E. DeMarco, David Alan Hopkins | 1984-11-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4547417 | Core plug | Richard E. DeMarco, David Alan Hopkins | 1985-10-15 |
| 4484715 | Core plug | Richard E. DeMarco, David Alan Hopkins | 1984-11-27 |