Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4777495 | Aperture card plotter | Semyon Spektor, Robert J. Grady, Michael H. Ranger, Alexander J. McKennon, Samuel D. I. Emerson, III | 1988-10-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4777495 | Aperture card plotter | Semyon Spektor, Robert J. Grady, Michael H. Ranger, Alexander J. McKennon, Samuel D. I. Emerson, III | 1988-10-11 |