Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4829398 | Apparatus for generating air ions and an air ionization system | — | 1989-05-09 |
RW
Robert W. Wilson
Overall (1989): #60,413 of 140,708Top 45%
1
Patents 1989