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RAVEN ALBERT L

Overview
  • Total Patents
    15
About

RAVEN ALBERT L has a total of 15 patent applications. Its first patent ever was published in 1928. It filed its patents most often in United States and Canada. Its main competitors in its focus markets optics, machines and mechanical elements are PURMA CAMERAS LTD, BESANCENOT SERGE and CHARLES BOUIN.

Patent filings in countries

World map showing RAVEN ALBERT Ls patent filings in countries
# Country Total Patents
#1 United States 13
#2 Canada 2

Patent filings per year

Chart showing RAVEN ALBERT Ls patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Optics
#2 Machines
#3 Mechanical elements

Focus technologies

# Technology
#1 Cameras
#2 Nails
#3 Unspecified technologies

Top inventors

# Name Total Patents
#1 Raven Albert L 15

Latest patents

Publication Filing date Title
US2571382A Projection screen support
US2382025A Projection screen stand
US2335884A Display stand
US2346274A Projection screen stand
US2229472A Projection screen stand
US1922636A Motion picture screen
US1852858A Motion picture screen
US1880279A Motion picture screen
US1828749A Motion picture screen
US1949487A Motion picture screen
US1985461A Motion picture screen
US1985460A Motion picture screen
US1795442A Motion-picture screen
CA327584A Motion picture screen
CA217292A Screen for moving pictures