Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D933321 | Dust bucket lid for a dust cyclone | John J. Fitzsimmons, Jeffrey Hill, Kyle W. Groening, Robert M. Witter | 2021-10-12 |
| D927104 | Portable cyclonic dust collector | John J. Fitzsimmons, Robert M. Witter, Jeffrey Hill, Kyle W. Groening | 2021-08-03 |
| D917806 | Wall-mounted cyclonic dust collector | John J. Fitzsimmons, Jeffrey Hill, Robert M. Witter, Kyle W. Groening | 2021-04-27 |
| D914308 | Upright cylindrical pre-separator for dust collector | John J. Fitzsimmons, Robert M. Witter, Jeffrey Hill, Kyle W. Groening | 2021-03-23 |