Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9399184 | Deflagration suppression screen for portable cyclonic dust collector/vacuum cleaner | Robert M. Witter, John J. Fitzsimmons | 2016-07-26 |
| 9370740 | Modular stacking filter system | John J. Fitzsimmons, Robert M. Witter | 2016-06-21 |