Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4347009 | Operator interchangeable gear driven platen and platen drive mechanism for typewriters and printers | — | 1982-08-31 |
CB
Clifford Brown
Overall (1982): #71,797 of 81,411Top 90%
1
Patents 1982