Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D267552 | Multiple scale rule | Douglas D. Seely, III | 1983-01-11 |
| D255784 | Multiple scale rule | — | 1980-07-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D267552 | Multiple scale rule | Douglas D. Seely, III | 1983-01-11 |
| D255784 | Multiple scale rule | — | 1980-07-08 |