Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4808615 | Flea and tick infestation control composition containing chlorpyrifos and vinyl acetate/crotonic acid/vinyl neodecanoate copolymer | Joseph Haus, Frederick F. Kohlhepp | 1989-02-28 |