Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33065 | Compact detector for radon and radon daughter products | H. Ward Alter | 1989-09-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33065 | Compact detector for radon and radon daughter products | H. Ward Alter | 1989-09-19 |