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LANDON JOSEPH MARGULIES

Overview
  • Total Patents
    23
About

LANDON JOSEPH MARGULIES has a total of 23 patent applications. Its first patent ever was published in 1906. It filed its patents most often in United Kingdom, Switzerland and United States. Its main competitors in its focus markets audio-visual technology and consumer goods are WIEDER HENRY GEORGE, ALEX FISCHER and POLYPHONWERKE AG.

Patent filings in countries

World map showing LANDON JOSEPH MARGULIESs patent filings in countries
# Country Total Patents
#1 United Kingdom 9
#2 Switzerland 3
#3 United States 3
#4 Austria 2
#5 Canada 2
#6 Denmark 2
#7 Spain 2

Patent filings per year

Chart showing LANDON JOSEPH MARGULIESs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Audio-visual technology
#2 Consumer goods

Focus technologies

# Technology
#1 Special information storage
#2 Sound-producing devices

Top inventors

# Name Total Patents
#1 Landon Joseph Margulies 18
#2 Joseph Margulies Landon 3

Latest patents

Publication Filing date Title
GB191216326A Improvements in Means for Securing the Record Discs of Disc Talking Machines in Position.
GB191210817A Improvements in the Construction of Talking Machines and Cases therefor.
US1029502A Trumpet.
GB190925525A Improvements in Apparatus for Amplifying and Improving the Tone of Musical and other Sound Producing Instruments applicable also for other purposes.
GB190920203A Improvements in Apparatus for Amplifying and Improving the Tone of Musical and other Sound Producing Instruments, applicable also for other purposes.
GB190906497A Improvements in the Construction of Trumpets or Sound Amplifiers for Talking Machines.
CA131661A Talking machine
CA120156A Talking machine
US893525A Talking-machine.
GB190808376A Improvements relating to Talking Machines.
US922297A Talking-machine.
GB190704507A Improvements in or relating to Talking Machines.
GB190622522A Improvements in or relating to Talking Machines.