Learn more

ELECTRONIC SECRETARY IND INC

Overview
  • Total Patents
    12
About

ELECTRONIC SECRETARY IND INC has a total of 12 patent applications. Its first patent ever was published in 1951. It filed its patents most often in United States. Its main competitors in its focus markets telecommunications and audio-visual technology are IPSOPHON PATENTGESELLSCHAFT A, ROBOPHONE LTD and TELEPHONE ANSWERING AND RECORD.

Patent filings in countries

World map showing ELECTRONIC SECRETARY IND INCs patent filings in countries
# Country Total Patents
#1 United States 12

Patent filings per year

Chart showing ELECTRONIC SECRETARY IND INCs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Zimmermann Joseph J 10
#2 Marheine Edward A 1
#3 Danner George W 1

Latest patents

Publication Filing date Title
US3050585A Recording and reproducing mechanism of a telephone answering device
US3047663A Automatic scanning control
US2881253A Telephone answering apparatus control
US3072746A Automatic telephone dialing apparatus
US2881252A Automatic telephone answering apparatus
US3067289A Integrating control timer
US2861126A Telephone answering equipment actuating device
US2861127A Party line telephone answering actuator
US2927964A Automatic disconnect apparatus for telephone answering device
US2909618A Message recording and reproducing device for a mobile radio-telephone receiver
US2854512A Close coupled telephone answering and message recording device