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MCGRAW HILL INC

Overview
  • Total Patents
    11
About

MCGRAW HILL INC has a total of 11 patent applications. Its first patent ever was published in 1967. It filed its patents most often in United States, Canada and EPO (European Patent Office). Its main competitors in its focus markets optics, digital networks and it methods for management are FUJIMOTO PHOTO IND, DECKER JAMES W and SCHRADER HELLMUT.

Patent filings in countries

World map showing MCGRAW HILL INCs patent filings in countries
# Country Total Patents
#1 United States 8
#2 Canada 1
#3 EPO (European Patent Office) 1
#4 WIPO (World Intellectual Property Organization) 1

Patent filings per year

Chart showing MCGRAW HILL INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wise David S 7
#2 Wachsmuth Robert H 2
#3 Smith Elliott P 2
#4 Mcafee Loyd O 1
#5 Skolnick Leonard 1
#6 Williams Jr Billy L 1

Latest patents

Publication Filing date Title
US4868866A Broadcast data distribution system
US4842402A Projection and viewing apparatus
US4601572A Microfilming system with zone controlled adaptive lighting
US4349163A Coreless roll film structure and apparatus for winding thereof
US4136938A Optical projection apparatus
US3924941A Cassette and cassette holder for improved controlled-reading device
US3862799A Controlled-reading device
US3533170A Mechanism for portraying an automobile wheel mount displacement