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BAY STATE OPTICAL CO

Overview
  • Total Patents
    97
About

BAY STATE OPTICAL CO has a total of 97 patent applications. Its first patent ever was published in 1900. It filed its patents most often in United States, France and United Kingdom. Its main competitors in its focus markets optics, machines and packaging and shipping are UNIVERSAL OPTICAL CORP, VISOTTICA SPA and LOGO SA.

Patent filings in countries

World map showing BAY STATE OPTICAL COs patent filings in countries
# Country Total Patents
#1 United States 91
#2 France 2
#3 United Kingdom 2
#4 Canada 1
#5 Switzerland 1

Patent filings per year

Chart showing BAY STATE OPTICAL COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nerney George E 50
#2 Clulee Stephen J 17
#3 Siddall Wilbur H 5
#4 Hansen Julius E 4
#5 Axel Person 3
#6 Blair Robert S 2
#7 Jones Percival W 2
#8 Spooner Howard E 2
#9 Mckinstry George W 1
#10 Nerney Dewin D 1

Latest patents

Publication Filing date Title
US2634655A Spectacle hinge structure
US2550348A Eyeglass construction
US2490868A Eyeglass frame construction
GB624809A Eyeglass frame construction
US2510398A Eyeglass frame construction
GB626489A Eyeglass frame construction
US2521632A Split endpiece spectacle construction
US2359666A Eyeglass construction
US2371910A Eyeglass construction
US2345065A Eyeglass construction
US2286435A Eyeglass frame construction and method of making the same
US2298502A Eyeglass construction
US2270330A Eyeglass construction
US2282242A Eyeglass construction
US2243768A Eyeglass construction
US2311991A Eyeglass construction
US2357604A Eyeglass construction
US2282236A Eyeglass construction
US2270382A Eyeglass construction
US2270338A Eyeglass construction