Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4697549 | Apparatus for sustained dispensation of a chemical agent | — | 1987-10-06 |
| 4606478 | Device for controlling ectoparasites | Richard Hack, John N. Hall, John L. Alexander, Stanley D. Samluk | 1986-08-19 |
| 4506630 | Apparatus for sustained dispensation of a chemical agent exteriorally of an animal | — | 1985-03-26 |