The broken lines show environment and form no part of the claimed design. Color is claimed in
The broken lines show environment and form no part of the claimed design. Color is claimed in
Number | Name | Date | Kind |
---|---|---|---|
1391084 | Updegrave | Sep 1921 | A |
1903502 | Campbell | Apr 1933 | A |
1999054 | Lee | Apr 1935 | A |
2576358 | Pritikin | Nov 1951 | A |
D190823 | Dembski | Jul 1961 | S |
3011394 | Sherman | Dec 1961 | A |
3025755 | Koetting | Mar 1962 | A |
3269792 | Mirsky | Aug 1966 | A |
3288546 | Gans | Nov 1966 | A |
3414348 | Gambs | Dec 1968 | A |
3421498 | Gans | Jan 1969 | A |
3476465 | Jackson et al. | Nov 1969 | A |
3482905 | Ben-Tovim | Dec 1969 | A |
3664732 | Lynn | May 1972 | A |
D226214 | Hoffmann | Jan 1973 | S |
3936164 | Cohen et al. | Feb 1976 | A |
D243076 | Thompson et al. | Jan 1977 | S |
4260227 | Munnerlyn et al. | Apr 1981 | A |
4365873 | Ginsburg | Dec 1982 | A |
4615594 | Task | Oct 1986 | A |
4660948 | Retz | Apr 1987 | A |
5108170 | Sugiyama | Apr 1992 | A |
5148807 | Hsu | Sep 1992 | A |
D333799 | Charriol | Mar 1993 | S |
5292514 | Capecchi et al. | Mar 1994 | A |
D360375 | Snapp | Jul 1995 | S |
5500699 | Ginsburg | Mar 1996 | A |
D370259 | Teich | May 1996 | S |
5589897 | Sinclair et al. | Dec 1996 | A |
D377528 | Teich | Jan 1997 | S |
5640962 | Jean et al. | Jun 1997 | A |
5752967 | Kritizinger et al. | May 1998 | A |
5801809 | Husain | Sep 1998 | A |
5886770 | Damato | Mar 1999 | A |
6068378 | Weiss | May 2000 | A |
6079831 | Sarver et al. | Jun 2000 | A |
6095989 | Hay et al. | Aug 2000 | A |
6120444 | Miyakawa et al. | Sep 2000 | A |
D433348 | Kallestad et al. | Nov 2000 | S |
D444236 | Koop et al. | Jun 2001 | S |
6542081 | Torch | Apr 2003 | B2 |
6554424 | Miller et al. | Apr 2003 | B1 |
7025455 | Roffman | Apr 2006 | B2 |
D533904 | Ellis | Dec 2006 | S |
7222961 | Soliz et al. | May 2007 | B2 |
7264356 | Jones et al. | Sep 2007 | B2 |
7357508 | Suzuki | Apr 2008 | B2 |
D568133 | Weldingh et al. | May 2008 | S |
D580808 | Van Tulder | Nov 2008 | S |
7789510 | Fateh | Sep 2010 | B2 |
D633581 | Tan et al. | Mar 2011 | S |
8047652 | Collazo | Nov 2011 | B1 |
8066376 | Wang et al. | Nov 2011 | B2 |
8087780 | Yeh et al. | Jan 2012 | B2 |
8275438 | Simpson et al. | Sep 2012 | B2 |
D671026 | Thurau | Nov 2012 | S |
D683253 | Kallestad | May 2013 | S |
D683254 | Bennett | May 2013 | S |
D685480 | Husain | Jul 2013 | S |
D728797 | Zhang | May 2015 | S |
D734470 | Zhang | Jul 2015 | S |
D741493 | Husain | Oct 2015 | S |
D742015 | Husain | Oct 2015 | S |
D762508 | Ducas et al. | Aug 2016 | S |
9427311 | Christie et al. | Aug 2016 | B2 |
D781737 | Blootacker | Mar 2017 | S |
D844145 | Zhang | Mar 2019 | S |
20040085327 | Jones et al. | May 2004 | A1 |
20040193070 | Schilder et al. | Sep 2004 | A1 |
20040223118 | Jean et al. | Nov 2004 | A1 |
20060132712 | Grove et al. | Jun 2006 | A1 |
20060235514 | Silvestrini | Oct 2006 | A1 |
20060270946 | Silvestrini et al. | Nov 2006 | A1 |
20080204659 | Carbonari | Aug 2008 | A1 |
20090185134 | Sarver | Jul 2009 | A1 |
20090231545 | Peyman | Sep 2009 | A1 |
20100182568 | Sarver | Jul 2010 | A1 |
20110013142 | Husain | Jan 2011 | A1 |
20110040376 | Christie et al. | Feb 2011 | A1 |
20110199574 | Van Dalen et al. | Aug 2011 | A1 |
20110267577 | Verma | Nov 2011 | A1 |
20130286351 | Shimizu | Oct 2013 | A1 |
20140277432 | Silvestrini | Sep 2014 | A1 |
20190246893 | Erdei | Aug 2019 | A1 |
20200397279 | Luo | Dec 2020 | A1 |
Number | Date | Country |
---|---|---|
2247087 | Feb 1992 | GB |
Entry |
---|
Retinal Eye Care, “Amsler Grid: An at-home test to help detect changes in your vision”, first available May 25, 2015. (https://web.archive.org/web/20150525232534/https:/retinaleyecare.com/amsler-grid/) (Year: 2015). |
Rgony, “Retina Diagnostic Tests”, first available Apr. 27, 2017. (https://web.archive.org/web/20170427141042/http:/rgony.com/retina-diagnostic-tests/) (Year: 2017). |
Semantic Scholar, “Zhang Ring Test Early Diagnosis of Retinal Detachment”, first available 2018. (https://www.semanticscholar.org/paper/Zhang-Ring-Test-Early-Diagnosis-of-Retinal-Zhang-Sugar/336ac1a1cea36593faf7fd4aefd0e4d70ca32030#extracted) (Year: 2018). |
Youtube, “Zhang Ring Test to Promote Early Diagnosis of Retinal Detachment”, first available Mar. 13, 2019. (https://www.youtube.com/watch?v=vQuR7zwT2V4) (Year: 2019). |