| Number | Date | Country | Kind |
|---|---|---|---|
| 001982307-0001 | Jan 2012 | EM | regional |
| Number | Name | Date | Kind |
|---|---|---|---|
| 3208476 | Clack | Sep 1965 | A |
| 3687269 | Fritz et al. | Aug 1972 | A |
| 3891552 | Prior et al. | Jun 1975 | A |
| 4298025 | Prior et al. | Nov 1981 | A |
| 4337153 | Prior | Jun 1982 | A |
| 4427549 | Brown et al. | Jan 1984 | A |
| 4693814 | Brown | Sep 1987 | A |
| 5022994 | Avery et al. | Jun 1991 | A |
| 5490932 | Hansen et al. | Feb 1996 | A |
| 6189556 | Blake et al. | Feb 2001 | B1 |
| 6214214 | Hansen et al. | Apr 2001 | B1 |
| D499170 | Park | Nov 2004 | S |
| D620555 | Chuang et al. | Jul 2010 | S |
| D623273 | Cavagna | Sep 2010 | S |
| D625777 | Loffler | Oct 2010 | S |
| D634813 | Hernandez, IV | Mar 2011 | S |
| D638915 | Cardno et al. | May 2011 | S |
| Entry |
|---|
| Certificate of Registration for Community Design Registration No. 001802265-0001 registered on Jul. 1, 2011. |
| Certificate of Registration for Community Design Registration No. 001802265-0002 registered on Jul. 1, 2011. |