Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4909783 | Intra-ocular pressure apparatus | — | 1990-03-20 |
| 4308435 | Digital display and switch apparatus for automobile accessory | Ralph C. Robinson | 1981-12-29 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4909783 | Intra-ocular pressure apparatus | — | 1990-03-20 |
| 4308435 | Digital display and switch apparatus for automobile accessory | Ralph C. Robinson | 1981-12-29 |