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PERSER CORP

Overview
  • Total Patents
    18
About

PERSER CORP has a total of 18 patent applications. Its first patent ever was published in 1930. It filed its patents most often in United States and United Kingdom. Its main competitors in its focus markets optics, machines and furniture and games are FILM INSPECTION MACHINE COMPAN, SOEDING TV BILD TON and GOLDBERG ERNEST W.

Patent filings in countries

World map showing PERSER CORPs patent filings in countries
# Country Total Patents
#1 United States 16
#2 United Kingdom 2

Patent filings per year

Chart showing PERSER CORPs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Draper Ernest E 12
#2 Ives Herbert E 3
#3 Elmer Sas 1
#4 Carl Percy 1

Latest patents

Publication Filing date Title
GB492343A Improvements in stereoscopic photography
GB492186A Improvements in stereoscopic pictures
US2151301A Stereoscopic photography
US2080604A Apparatus for making stereoscopic positives from negatives
US2039648A Camera for making parallax panoramagrams
US1930228A Apparatus for viewing stereoscopic pictures
US1942638A Process of making stereoscopic pictures by instantaneous exposure
US1955275A Apparatus for making stereoscopic pictures by instantaneous exposure
US2061729A Apparatus for making stereoscopic positives from negatives
US1870611A Plate holder for stereoscopic cameras
US1964622A Direction finder for stereoscopic cameras
US1958036A Means for making depthographs
US2002090A Making parallax panoramagrams
US1862847A Method of making stereoscopic pictures
US2005777A Stereoscopic photography and objective system therefor
US1814701A Method of making viewing gratings for relief or stereoscopic pictures
US1901902A Metal binding
US1865485A Means to protect corners of frangible material