Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5588179 | Dust box emptying device | Jack L. Burgoon, Michael Combs | 1996-12-31 |
| 5194077 | Dual chamber filter assembly with shaker | Jack L. Burgoon, Anthony P. DiGiovanni, Norbert H. Himburg | 1993-03-16 |
| 4525888 | Maintaining constant pick-up broom pattern | Edward M. Assony, Truong M. Ha, Richard B. Rosseau | 1985-07-02 |