Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D643990 | Cleaning system trolley | Carol A. Rouillard, Andrew M. Bober, Alfred Adolf Widmer, Andrew R. J. Russell, Dave Clark | 2011-08-23 |
| D632043 | Cleaning system trolley | Carol A. Rouillard, Andrew M. Bober, Alfred Adolf Widmer, Andrew R. J. Russell, Dave Clark | 2011-02-01 |