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SIMS CLINTON N

Overview
  • Total Patents
    12
About

SIMS CLINTON N has a total of 12 patent applications. Its first patent ever was published in 1987. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and Canada. Its main competitors in its focus markets medical technology and measurement are GUYTON D L, EXIMIS SURGICAL INC and CHENGDU MANCHENG TECH CO LTD.

Patent filings in countries

World map showing SIMS CLINTON Ns patent filings in countries

Patent filings per year

Chart showing SIMS CLINTON Ns patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Sims Clinton N 12

Latest patents

Publication Filing date Title
US2011261319A1 Device and method for calibrating retinoscopes
US2011261323A1 Device and method for calibrating retinoscopes
WO9503735A1 Retinoscope with lamp position detector
US5285224A Methods and apparatus for determining refractive error
US5120124A Devices for determining the crossed cylinder powers and axes for multiple lens sets
US5104214A Trial frames, adjustable spectacles and associated lens systems
US4943162A Astigmatic self-refractor and method of use
US4840479A Crossed cylinder lenses refractor with three-lens variable crossed cylinder assembly and method of use
US4820040A Crossed cylinder lenses refractor and method of use