Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4594499 | Apparatus for producing a line of separation in a plastic work surface | John H. Elworthy | 1986-06-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4594499 | Apparatus for producing a line of separation in a plastic work surface | John H. Elworthy | 1986-06-10 |