Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5164168 | Method and apparatus for purifying air | Kenneth C. Eastwell, James S. Goudey, Mary E. Spencer | 1992-11-17 |
| 5008091 | Method for purifying air | Kenneth C. Eastwell, James S. Goudey, Mary E. Spencer | 1991-04-16 |
| 4828601 | Chemical tobacco sucker control | William Loh | 1989-05-09 |
| 4701205 | Chemical tobacco sucker control | Ahmad Omid | 1987-10-20 |