Individual holder
SIMS CLINTON N
US·8 granted patents·120 citations·filing 1987–2011
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
8 records- 0165US8272740B2Device and method for calibrating retinoscopesSIMS CLINTON N·Filed 2011·Granted Sep 25, 2012·3 cites·1 claims
- 0262US8272739B2Device and method for calibrating retinoscopesSIMS CLINTON N·Filed 2010·Granted Sep 25, 2012·2 cites·53 claims
- 0356US5104214ATrial frames, adjustable spectacles and associated lens systemsSIMS CLINTON N·Filed 1989·Granted Apr 14, 1992·49 cites·14 claims
- 0445US4943162AAstigmatic self-refractor and method of useSIMS CLINTON N·Filed 1989·Granted Jul 24, 1990·29 cites·21 claims
- 0532US4820040ACrossed cylinder lenses refractor and method of useSIMS CLINTON N·Filed 1987·Granted Apr 11, 1989·9 cites·20 claims
- 0631US5285224AMethods and apparatus for determining refractive errorSIMS CLINTON N·Filed 1992·Granted Feb 8, 1994·11 cites·12 claims
- 0731US5120124ADevices for determining the crossed cylinder powers and axes for multiple lens setsSIMS CLINTON N·Filed 1990·Granted Jun 9, 1992·10 cites·5 claims
- 0831US4840479ACrossed cylinder lenses refractor with three-lens variable crossed cylinder assembly and method of useSIMS CLINTON N·Filed 1987·Granted Jun 20, 1989·7 cites·21 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →