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ROBERT MITCHELL

Overview
  • Total Patents
    15
About

ROBERT MITCHELL has a total of 15 patent applications. Its first patent ever was published in 1921. It filed its patents most often in United States, United Kingdom and Ireland. Its main competitors in its focus markets machines, mechanical elements and furniture and games are ALBERT H TINNERMAN, ROBERT NEUSCHOTZ and PALNUT COMPANY.

Patent filings in countries

World map showing ROBERT MITCHELLs patent filings in countries
# Country Total Patents
#1 United States 11
#2 United Kingdom 3
#3 Ireland 1

Patent filings per year

Chart showing ROBERT MITCHELLs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Robert Mitchell 10
#2 Meader Albert W 1

Latest patents

Publication Filing date Title
IE851216L Scaffolding bracket
US2672069A Screw and washer assembly
US2429103A Threaded fastener
US2437751A Lock nut
US2390726A Threaded fastener
US2123609A Anvil for stapling machines
US2070608A Game
US2050498A Cross-word puzzle
US1903469A Upholstery attaching device
US1744488A Fastener
US1850119A Fastener
GB299969A An improved hay rick lifter
US1881836A Clinch-on nut
GB210692A Improvements in the method of extracting juice and of obtaining fuel from sugar cane
GB194779A Road sweeping attachment for motor vehicles