Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D295902 | Helmet | — | 1988-05-24 |
| D284401 | Head for an injection gun for animals or the like | Robert Brunswick, Kenneth Hirst | 1986-06-24 |
| 4552559 | Applicators | John H. Donaldson, Robert Brunswick | 1985-11-12 |
| D280945 | Helmet | — | 1985-10-15 |