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NORRIS ELWOOD G

Overview
  • Total Patents
    23
About

NORRIS ELWOOD G has a total of 23 patent applications. Its first patent ever was published in 1965. It filed its patents most often in United States, Canada and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets audio-visual technology, electrical machinery and energy and telecommunications are PICKERING & CO INC, NIDEC PIGEON CORP and CLIFTOPHONE LTD.

Patent filings per year

Chart showing NORRIS ELWOOD Gs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Norris Elwood G 21
#2 G Norris Elwood 2
#3 Croft James J 1
#4 Croft Iii James J 1
#5 Norris Joseph O 1

Latest patents

Publication Filing date Title
US2013164173A1 Plasma emitter
EP0120838A1 Drive mechanism for multiple, low-speed cassette recorders.
EP0105255A1 Pen-size radio
US4217573A Switching unit for selectively connecting together various combinations of audio subsystems
US4215377A Multi-speed tape cassette system
US4090178A Combination smoke detector and lamp structure
CA969104A Radial arm phonograph with record changer
CA969106A Radial arm phonograph with record changer
CA969105A Radial arm phonograph with record changer
CA969107A Radial arm phonograph with record changer
CA948116A Radial arm phonograph with record changer
DE1572480A1 Record player
DE1472026A1 Tonearm for record player
CA821028A Phonograph tone arm and pickup assembly
CA871835A Radial phonograph and pickup assembly