Issued Patents 2011
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8002853 | Hydrogen-generating fuel cell cartridges | Andrew J. Curello, Alain Rosenzweig, Paul Spahr, Constance R. Stepan | 2011-08-23 |
| D636956 | Ceiling fan dusting tool | David Quinlan, Jeffrey Mulreed | 2011-04-26 |
| D634906 | Dusting device | Griffin Lu | 2011-03-22 |
| D634087 | Cleaning tool grip | David Quinlan | 2011-03-08 |
| 7896934 | Hydrogen generating fuel cell cartridges | Andrew J. Curello, Floyd Fairbanks, Constance R. Stepan, Michael Curello | 2011-03-01 |
| D632857 | Window cleaning tool | David Quinlan, Kai Hirsch | 2011-02-15 |
| D632858 | Window cleaning tool | David Quinlan, Kai Hirsch | 2011-02-15 |