Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4489164 | Colorimetric method for detecting aldehydes in air | Elmer S. McKee | 1984-12-18 |
| 4478792 | Colorimetric gas dosimeter | Elmer S. McKee | 1984-10-23 |
| 4348358 | Colorimetric dosimeter | Elmer S. McKee | 1982-09-07 |