Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D711609 | Dustpan | Robert J. Libman | 2014-08-19 |
| D667187 | Cleaning device | Brian Sowinski | 2012-09-11 |
| D667192 | Dustpan | Robert J. Libman | 2012-09-11 |
| D646434 | Comb | Andrew D. Libman, Robert J. Libman, Aaron Libman | 2011-10-04 |