Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7886396 | Adjustable holder for cleaning implement having two support heads | Yan Gracindo, Craig F. Shiesley, Matthew C. White, Simon Roderick Grover, Lawrence J. Fenske +1 more | 2011-02-15 |
| 7802340 | Extendable cleaning implement having two support heads | Jeremy F. Knopow, Rob Martineau, David A. Hoadley, Lawrence J. Fenske, Yan Gracindo +6 more | 2010-09-28 |
| 7784149 | Vacuum duster | Ralph Schwarz, Matthew C. White, George Richard Gregory, Robin Craig Cocker, Craig F. Shiesley | 2010-08-31 |