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DA LITE SCREEN COMPANY

Overview
  • Total Patents
    16
About

DA LITE SCREEN COMPANY has a total of 16 patent applications. Its first patent ever was published in 1961. It filed its patents most often in Canada and France. Its main competitors in its focus markets optics are KINO LTD, ANDERSON WALTER HILLIER and TROEGER JOHN FREDERICK ROBERT.

Patent filings in countries

World map showing DA LITE SCREEN COMPANYs patent filings in countries
# Country Total Patents
#1 Canada 15
#2 France 1

Patent filings per year

Chart showing DA LITE SCREEN COMPANYs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Optics

Focus technologies

# Technology
#1 Cameras

Top inventors

# Name Total Patents
#1 Prokop Frank J 5
#2 Dumais Leo J 5
#3 Heck John T 2
#4 Sowers Hal L 1
#5 Betz Howard T 1
#6 Mais Leo J Du 1
#7 Bernzott Hugo 1
#8 Heck Fred P 1
#9 Paul Clifford B 1
#10 Bernat Joseph 1

Latest patents

Publication Filing date Title
CA356439A Camera support
CA521274A Sliding bracket lock
CA521275A Picture screen stand
CA538951A Screen web tensioner
CA587316A Projection screen construction
CA322861A Picture screen
CA321224A Moving picture screen and frame
CA651415A Portable viewing screen handle and lock therefor
CA521276A Portable screen stand
CA819423A Portable picture-screen standard with keystone eliminator
CA473787A Portable projection screens
CA521277A Picture screen stand
CA627853A Projection picture screen
CA791977A Projection screen construction
CA545994A Tripod screen stand