Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4802905 | Method for protecting plants and plant matter from stress | — | 1989-02-07 |
MS
Marshall L. Spector
Overall (1989): #78,718 of 140,708Top 60%
1
Patents 1989