Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8887554 | Raw proportional toxic sampler for sampling exhaust | Joseph McDonald, Charles R. Schenk | 2014-11-18 |
| D402503 | Barbeque grill with tire tread pattern | — | 1998-12-15 |
| 4673813 | Multi-dose radio-isotope container | — | 1987-06-16 |