Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4808407 | Water-soluble copper salts | Richard W. Hein | 1989-02-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4808407 | Water-soluble copper salts | Richard W. Hein | 1989-02-28 |