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STONE TELEGRAPH AND TELEPHONE COMPANY

Overview
  • Total Patents
    23
About

STONE TELEGRAPH AND TELEPHONE COMPANY has a total of 23 patent applications. Its first patent ever was published in 1901. It filed its patents most often in United States. Its main competitors in its focus markets basic communication technologies, digital networks and telecommunications are INTERNAT TELEGRAPH CONSTRUCTION COMPANY, WILLIAM W SWAN and VALDEMAR POULSEN.

Patent filings in countries

World map showing STONE TELEGRAPH AND TELEPHONE COMPANYs patent filings in countries
# Country Total Patents
#1 United States 23

Patent filings per year

Chart showing STONE TELEGRAPH AND TELEPHONE COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Cabot Sewall 13
#2 Stone John Stone 7
#3 Russell Charles E 1
#4 Cram Ernest R 1
#5 Roos Oscar C 1

Latest patents

Publication Filing date Title
US901649A Space telegraphy.
US908742A Space telegraphy.
US884071A Space telegraphy.
US916840A Relay.
US884070A Space telegraphy.
US858569A Space telegraphy.
US899264A Oscillation-detector.
US884076A Space telegraphy.
US899243A Space telegraphy.
US899241A Signaling system.
US899240A Signaling system.
US916895A Space telegraphy.
US840909A Space telegraphy.
US842134A Space telegraphy.
US840908A Space telegraphy.
US725636A Space telegraphy.
US725635A Space telegraphy.
US725634A Art of wireless or space telegraphy.
US714834A Apparatus for selective electric signaling.
US737170A Apparatus for selective electric signaling.