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SOHM ELECTRIC SIGNAL & RECORDING COMPANY

Overview
  • Total Patents
    17
About

SOHM ELECTRIC SIGNAL & RECORDING COMPANY has a total of 17 patent applications. Its first patent ever was published in 1910. It filed its patents most often in United States. Its main competitors in its focus markets measurement, control and basic communication technologies are INT TIME RECORDING CO LTD, DEY TIME REGISTER COMPANY and KEINATH INSTR COMPANY.

Patent filings in countries

World map showing SOHM ELECTRIC SIGNAL & RECORDING COMPANYs patent filings in countries
# Country Total Patents
#1 United States 17

Patent filings per year

Chart showing SOHM ELECTRIC SIGNAL & RECORDING COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sohm Alfred L 11
#2 Sohm Alfred Louis 6
#3 Adams Chester Lowell 1

Latest patents

Publication Filing date Title
US1144870A Code-signal device.
US1141216A Electrical recording apparatus.
US1138991A Electrical apparatus and circuit.
US1128632A Lock.
US1138990A Electrical circuit-changing mechanism.
US1075608A Recording system and apparatus.
US1082774A Printing-machine.
US1055949A Electrical recording apparatus.
US1132884A Electrical recording apparatus.
US1049004A Secondary clock.
US1112571A Mechanism for electrically indicating and recording lock-keys.
US1138989A Time-clock mechanism.
US1075513A Electric recording instrument.
US1138988A Visual-signal station.
US1096136A Electric signal and recording system.
US1121540A Electric recording instrument.
US988218A Electrical signal-recording system.