Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE31246 | Determination of the alcohol content of blood | Robert F. Borkenstein | 1983-05-17 |
| 4338003 | Anti-glare spectacles | — | 1982-07-06 |
| 4228352 | Apparatus for measuring the concentration of gases | — | 1980-10-14 |
| 4190363 | Device for measuring concentration of a gas | — | 1980-02-26 |