Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4313942 | Activated vitamin D rodenticides | Hector F. DeLuca, Heinrich K. Schnoes, Herbert E. Paaren | 1982-02-02 |
HF
Helen A. Frank
Overall (1982): #60,030 of 81,411Top 75%
1
Patents 1982