Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4332771 | Method and device for determining the alcohol content of a person's breathing | — | 1982-06-01 |
| 4330297 | Test tube construction and method for measuring for nickel aerosols | — | 1982-05-18 |
| 4329153 | Test tube construction and method for testing for copper aerosols | — | 1982-05-11 |