Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4400704 | Plotter having continuously moving carbon paper handling system | Henry C. Brown | 1983-08-23 |
| 4390216 | Carriage having integral spring | Henry C. Brown | 1983-06-28 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4400704 | Plotter having continuously moving carbon paper handling system | Henry C. Brown | 1983-08-23 |
| 4390216 | Carriage having integral spring | Henry C. Brown | 1983-06-28 |