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LESLIE ERNEST BROUGHAM

Overview
  • Total Patents
    13
About

LESLIE ERNEST BROUGHAM has a total of 13 patent applications. Its first patent ever was published in 1924. It filed its patents most often in United Kingdom. Its main competitors in its focus markets computer technology and furniture and games are REMINGTON RAND GMBH, POWERS ACCOUNTING MACHINE CORP and OPTO ELECTRON KK.

Patent filings in countries

World map showing LESLIE ERNEST BROUGHAMs patent filings in countries
# Country Total Patents
#1 United Kingdom 13

Patent filings per year

Chart showing LESLIE ERNEST BROUGHAMs patent filings per year from 1900 to 2020

Focus industries

Latest patents

Publication Filing date Title
GB609336A Improvements in or relating to record controlled statistical machines
GB482668A Improvements in or relating to machines for punching statistical record cards
GB477039A Improvements in or relating to means for sensing record perforations
GB480099A Improvements in or relating to apparatus for indicating the nature of the sequence of record cards
GB398223A Improvements in or relating to record card controlled statistical machines
GB387791A Improvements in or relating to perforated records for controlling statistical machines
GB365369A Improvements in or relating to toy building units
GB369691A Improvements in or relating to record card controlled tabulating machines
GB368766A Improvements in or relating to methods of and means for controlling the printing units of a perforated card operated tabulating machine
GB365689A Improvements in or relating to record card controlled listing or tabulating or like statistical machines
GB362770A Improvements in or relating to statistical calculating and like machines controlled by mechanical records
GB264609A Improvements in and relating to statistical, calculating and like machines
GB243099A Improvements in and relating to devices, such as cards, suitable for recording statistical data