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HALL RANDOLPH F

Overview
  • Total Patents
    20
About

HALL RANDOLPH F has a total of 20 patent applications. Its first patent ever was published in 1926. It filed its patents most often in United States. Its main competitors in its focus markets transport, environmental technology and machines are OTTO WILLIAM M, ADKINS RICHARD C and JOSEPH KSOLL.

Patent filings in countries

World map showing HALL RANDOLPH Fs patent filings in countries
# Country Total Patents
#1 United States 20

Patent filings per year

Chart showing HALL RANDOLPH Fs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Transport
#2 Environmental technology
#3 Machines

Top inventors

# Name Total Patents
#1 Hall Randolph F 20

Latest patents

Publication Filing date Title
US2166292A Airplane
US2118705A Airplane
US2112154A Airplane
US2045463A Airplane
US1992158A Airplane
US2037626A Airplane
US1992157A Airplane
US2051703A Airplane seat
US1869253A Airplane
US1916475A Airplane
US1959236A Airplane
US1875593A Airplane
US1846965A Airplane
US1841804A Airplane
US1890035A Airplane
US1818322A Airplane
US1818321A Airplane
US1827845A Airplane
US1726558A Airplane
US1710476A Airplane