Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10279721 | Container for securely holding conventional cups with lids thereon | — | 2019-05-07 |
| 8230540 | Cordless sweeper | — | 2012-07-31 |
| D565267 | Sweeper | — | 2008-03-25 |
| D547510 | Sweeper material holding box | — | 2007-07-24 |
| D541501 | Sweeper | — | 2007-04-24 |
| D483534 | Scrubber | Earl E. Martens | 2003-12-09 |
| 6524173 | Surface cleaning apparatus | Earl E. Martens | 2003-02-25 |
| 6260232 | Surface cleaning apparatus | Earl E. Martens | 2001-07-17 |