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DONALD MACDOUGAL PATERSON

Overview
  • Total Patents
    15
About

DONALD MACDOUGAL PATERSON has a total of 15 patent applications. Its first patent ever was published in 1948. It filed its patents most often in United Kingdom and Germany. Its main competitors in its focus markets optics are GEYER WERKE KOMM GES, PIERRE ULYSSE and CINEMACOLOR CORP.

Patent filings in countries

World map showing DONALD MACDOUGAL PATERSONs patent filings in countries
# Country Total Patents
#1 United Kingdom 12
#2 Germany 3

Patent filings per year

Chart showing DONALD MACDOUGAL PATERSONs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Optics

Top inventors

# Name Total Patents
#1 Paterson Donald Macdougal 3

Latest patents

Publication Filing date Title
GB1010193A Photographic printing frame
GB912577A Improvements in or relating to pistol-grip attachments for cameras
GB947228A Viewers for transparencies and the like
GB933388A Improvements in or relating to photographic processing dishes
GB851284A Improvements in or relating to photographic transparency slides and the like
GB834717A Improvements in or relating to viewing devices for photographic transparencies
GB832932A Improvements in or relating to viewing devices for photographic transparencies
GB821262A Improvements in or relating to devices for holding film transparencies
GB812767A Improvements in or relating to receptacles for holding slides
GB756816A Improvements in or relating to photographic developing apparatus
GB661288A Spools for use in processing photographic roll film
GB661356A Spools for use in processing photographic roll film