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HALL TELEPHONE ACCESSORIES 192

Overview
  • Total Patents
    26
About

HALL TELEPHONE ACCESSORIES 192 has a total of 26 patent applications. Its first patent ever was published in 1922. It filed its patents most often in United Kingdom, Germany and France. Its main competitors in its focus markets control, telecommunications and agriculture are SODECO SA, AMERICAN COIN REGISTER COMPANY and DIRECTIA JUDETEANA DE POSTA SI.

Patent filings in countries

World map showing HALL TELEPHONE ACCESSORIES 192s patent filings in countries
# Country Total Patents
#1 United Kingdom 13
#2 Germany 6
#3 France 5
#4 Austria 1
#5 Canada 1

Patent filings per year

Chart showing HALL TELEPHONE ACCESSORIES 192s patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hall Frederick William 1

Latest patents

Publication Filing date Title
GB571803A Improvements in mowing and like harvesting machines
GB565900A Improvements in root crop harvesters
GB530987A Improvements in and relating to coin-freed vending machines
GB530739A Improvements in and relating to coin-freed vending machines
GB529691A Improvements in and relating to coin freed mechanism of vending machines
GB484205A Improvements in coin collectors for telephone instruments
GB481599A Improvements in coin collectors for telephone services and the like
GB472920A Improvements in coin-freed vending machines
GB446780A Improvements in coin collectors for telephone services and the like
GB431439A Improvements in detent devices for retaining pointers, controllers and other adjustably movable elements in adjusted position
GB424088A Improvements in metal punching pliers
GB407692A Improvements relating to impulse transmitters for automatic telephone systems
DE565197C Card issuing machine
GB340189A Improvements in coin-selectors for use in coin-freed apparatus
DE571507C Self-cashier
DE555263C Dispenser for self-sellers in strip form
DE466763C Self-collecting telephone station
CA317273A Ticket-issuing machine
DE524225C Coin validator for devices controlled by coins