Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5975776 | Dot matrix print head with unitary armature assembly and method of operation thereof | — | 1999-11-02 |
| 4598298 | Plotter having automatic sheet feeder | Wallace S. Halliday | 1986-07-01 |