Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4872023 | Plotter platen mapping system | Ralph J. Lake, Jr., Franklyn L. Wiley, John Pluth, Jr. | 1989-10-03 | |
| 4800402 | Plotter paper sizing system | Ralph J. Lake, Jr., Franklyn L. Wiley, John Pluth, Jr. | 1989-01-24 | $433,000 |