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HALL FRANK L

Overview
  • Total Patents
    11
About

HALL FRANK L has a total of 11 patent applications. Its first patent ever was published in 1938. It filed its patents most often in United States. Its main competitors in its focus markets semiconductors, machine tools and audio-visual technology are SAKURAI DAISUKE, PANG MENGZHI and ASTI GLOBAL INC TAIWAN.

Patent filings in countries

World map showing HALL FRANK Ls patent filings in countries
# Country Total Patents
#1 United States 11

Patent filings per year

Chart showing HALL FRANK Ls patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hall Frank L 11
#2 Baerlocher Cary J 1

Latest patents

Publication Filing date Title
US2006113291A1 Method for preparing ball grid array substrates via use of a laser
US2213002A Wheel machining apparatus
US2152380A Wheel machining apparatus