Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4517036 | Making of printing plates | John H. Elworthy | 1985-05-14 |
| 4380946 | Film punch registration | — | 1983-04-26 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4517036 | Making of printing plates | John H. Elworthy | 1985-05-14 |
| 4380946 | Film punch registration | — | 1983-04-26 |