Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4295051 | Optical card reader | Fredy E. Graf, William M. Mahler | 1981-10-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4295051 | Optical card reader | Fredy E. Graf, William M. Mahler | 1981-10-13 |