The broken lines formed by linear segments of equal length in
The broken lines formed by linear segments of equal length in
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1485695 | Singer et al. | Mar 1924 | A |
3469335 | Leigh | Sep 1969 | A |
D270358 | Errigo | Aug 1983 | S |
4711046 | Herrgord | Dec 1987 | A |
5960848 | Schirer | Oct 1999 | A |
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7434340 | Virvo | Oct 2008 | B2 |
7451800 | Johnson et al. | Nov 2008 | B2 |
7647718 | Burtch | Jan 2010 | B2 |
7823309 | Albenda | Nov 2010 | B2 |
7886465 | Virvo | Feb 2011 | B2 |
D653880 | Polidoros | Feb 2012 | S |
D706872 | Dashe | Jun 2014 | S |
D739467 | Dashe | Sep 2015 | S |
20030205489 | Shumake | Nov 2003 | A1 |
20040148833 | Virvo | Aug 2004 | A1 |
20050086842 | Ternovits et al. | Apr 2005 | A1 |
20050155259 | Virvo | Jul 2005 | A1 |
20060048421 | Oleksak | Mar 2006 | A1 |
20060060643 | Sheffer | Mar 2006 | A1 |
20070151132 | Repecki | Jul 2007 | A1 |
20140061288 | Dashe | Mar 2014 | A1 |
Number | Date | Country | |
---|---|---|---|
Parent | 29451100 | Mar 2013 | US |
Child | 29493393 | US |
Number | Date | Country | |
---|---|---|---|
Parent | 13769706 | Feb 2013 | US |
Child | 29451100 | US |