Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9554683 | Dual drive floor scrubber | Jeffery R. Fellhauer, William E. Brashear, Jr. | 2017-01-31 |
| 8439997 | Vacuum sweeper apparatus including a filter bag and a method of installation | Mark N. Rupp, Hui Hiu Kwan, Li Jin Long, Paul Goetz, Jeffery Scott Kunkler +2 more | 2013-05-14 |
| D664317 | Top plate for a filter bag | Mark N. Rupp | 2012-07-24 |