| Number | Name | Date | Kind |
|---|---|---|---|
| 217736 | Kibbe | Jul 1879 | A |
| 1369470 | Sverre Rian | Feb 1921 | A |
| 1409723 | Stanley | Mar 1922 | A |
| 1604232 | Lipke | Oct 1926 | A |
| D118824 | Lettino | Feb 1940 | S |
| D175489 | Arnold | Sep 1955 | S |
| 3037293 | Yost | Jun 1962 | A |
| 3130368 | Hoover | Apr 1964 | A |
| 3289299 | Elger | Dec 1966 | A |
| 4185392 | Berkman | Jan 1980 | A |
| D257656 | Walker | Dec 1980 | S |
| 4368472 | Gandhi | Jan 1983 | A |
| 4369583 | Brighty | Jan 1983 | A |
| D268597 | Spence | Apr 1983 | S |
| D279797 | Brunetto | Jul 1985 | S |
| D281887 | Lapsins | Dec 1985 | S |
| H000646 | Tsui | Jun 1989 | H |
| 4975811 | Fraser | Dec 1990 | A |
| D314034 | Young | Jan 1991 | S |
| 5392388 | Gibson | Feb 1995 | A |
| 5511316 | Fischer | Apr 1996 | A |
| 5978230 | Dando | Nov 1999 | A |
| 6216354 | Carbone | Apr 2001 | B1 |
| D449338 | Lariviere, Jr. | Oct 2001 | S |
| 6460267 | Cormack | Oct 2002 | B1 |
| D505416 | Ma | May 2005 | S |
| D519562 | Phillips | Apr 2006 | S |
| 7150108 | Babb | Dec 2006 | B2 |
| D544495 | Evans | Jun 2007 | S |
| D546819 | Oliver | Jul 2007 | S |
| D546820 | Oliver | Jul 2007 | S |
| D546821 | Oliver | Jul 2007 | S |
| D549721 | Ito | Aug 2007 | S |
| D558191 | Pempsell | Dec 2007 | S |
| D611037 | Oliver | Mar 2010 | S |
| 7889151 | Brock | Feb 2011 | B1 |
| D715857 | Brindzik | Oct 2014 | S |
| D739872 | Bang | Sep 2015 | S |
| D760283 | Horiuchi | Jun 2016 | S |
| D761812 | Motamedi | Jul 2016 | S |
| D762706 | Murillo | Aug 2016 | S |
| D763288 | Mistry | Aug 2016 | S |
| D768771 | Lipscomb | Oct 2016 | S |
| D806116 | Springer | Dec 2017 | S |
| 10015879 | Hawtof | Jul 2018 | B2 |
| 10141637 | Asakawa | Nov 2018 | B2 |
| D841607 | Sunagawa | Feb 2019 | S |
| D849792 | Lee | May 2019 | S |
| D857672 | Zhao | Aug 2019 | S |
| 20010014377 | Babb | Aug 2001 | A1 |
| 20030001790 | Louzir | Jan 2003 | A1 |
| 20040056822 | McCarthy | Mar 2004 | A1 |
| 20050168397 | Kaluzni | Aug 2005 | A1 |
| 20050252019 | Gordon | Nov 2005 | A1 |
| 20120186073 | Feller | Jul 2012 | A1 |
| Number | Date | Country |
|---|---|---|
| 302849654 | Jun 2014 | CN |
| Entry |
|---|
| Single-Side—Foxlink Group, website 2019, https://www.foxlink.com/web/en/portfolio-item/single-side/, site visited Sep. 21, 2019 (Year: 2019). |
| Drawing tools, Daube website post 2012, https://www.daube.ch/docu/glossary/drawingtools.html, site visited Sep. 28, 2019 (Year: 2012). |
| Round Circle Great Circular Arc Drawing Template, Daraz website 2019. https://www.daraz.pk/products/round-circle-great-circular-arc-drawing-template-kt-soft-pl . . . site visited Sep. 28, 2019 (Year: 2019). |