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LESTRADE STEREOSCOPES

Overview
  • Total Patents
    17
About

LESTRADE STEREOSCOPES has a total of 17 patent applications. Its first patent ever was published in 1983. It filed its patents most often in France, EPO (European Patent Office) and United States. Its main competitors in its focus markets optics and audio-visual technology are ARTHUR WARMISHAM, SIDNEY NEWCOMER HARRY and XINJU TECH CO LTD.

Patent filings in countries

World map showing LESTRADE STEREOSCOPESs patent filings in countries
# Country Total Patents
#1 France 7
#2 EPO (European Patent Office) 3
#3 United States 3
#4 Canada 2
#5 Portugal 2

Patent filings per year

Chart showing LESTRADE STEREOSCOPESs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Optics
#2 Audio-visual technology

Focus technologies

# Technology
#1 Optical systems
#2 Cameras
#3 Special information storage

Top inventors

# Name Total Patents
#1 Vitrac Jean-Pierre 8
#2 Chevalier Louis 2
#3 Lestrade Robert 2
#4 Perino Jean-Marc 1

Latest patents

Publication Filing date Title
FR2592725A1 Deployable device for viewing a couple of stereoscopic views
CA1221860A Slide viewer
CA1221859A Apparatus for viewing a series of stereoscopic images arranged by pairs on a medium to form a stereocard
FR2560393A1 Slide viewer with magazine
FR2558605A1 Device for viewing a torque stereoscopic view
FR2549971A1 Apparatus for viewing transparency views
US4549785A Stereo viewer
US4530570A Transparency viewer
FR2543516A1 Conditioning device for audiovisual assembly