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RETENTION COMMUNICATION SYSTEM

Overview
  • Total Patents
    16
About

RETENTION COMMUNICATION SYSTEM has a total of 16 patent applications. Its first patent ever was published in 1968. It filed its patents most often in United States, Brazil and Canada. Its main competitors in its focus markets optics, control and machines are GANZ & CO, SHOWSCAN FILM CORP and OHIRA TAKAYUKI.

Patent filings in countries

World map showing RETENTION COMMUNICATION SYSTEMs patent filings in countries
# Country Total Patents
#1 United States 5
#2 Brazil 2
#3 Canada 2
#4 Germany 2
#5 France 2
#6 Austria 1
#7 Spain 1
#8 United Kingdom 1

Patent filings per year

Chart showing RETENTION COMMUNICATION SYSTEMs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Optics
#2 Control
#3 Machines
#4 Measurement

Top inventors

# Name Total Patents
#1 Buten Norman 3
#2 Eash George H 3
#3 Catalano Paul D 3
#4 Emanuel Frank V 3
#5 Bickel John 2
#6 Catalano P 2
#7 Emanuel F 1
#8 Blethen William M 1
#9 Bickel J 1
#10 Eash G 1

Latest patents

Publication Filing date Title
ES420951A1 Improvements in audiovisual systems. (Machine-translation by Google Translate, not legally binding)
CA956619A Cartridge for audio visual system
US3869716A Apparatus for qualifying recorded tone bursts
GB1369376A Combined microfiche reader and projector
US3733119A Audio-visual system
US3672747A Objective lens for short focal length cameras and projectors
US3669374A Combined endless loop film and endless loop magnetic tape cartridge
US3610747A Cartridge-loaded film strip projector, particularly for narrow film