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WILLIAMSON MARSHALL I

Overview
  • Total Patents
    35
About

WILLIAMSON MARSHALL I has a total of 35 patent applications. Its first patent ever was published in 1919. It filed its patents most often in United States and Canada. Its main competitors in its focus markets packaging and shipping, machines and audio-visual technology are PRESIDENT AND DIRECTORS OF THE, SEALRIGHT CO INC and MORRIS PAPER MILLS.

Patent filings in countries

World map showing WILLIAMSON MARSHALL Is patent filings in countries
# Country Total Patents
#1 United States 29
#2 Canada 6

Patent filings per year

Chart showing WILLIAMSON MARSHALL Is patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Williamson Marshall I 35

Latest patents

Publication Filing date Title
US2960014A Method and device for converting a flat blank into a cellular structure
US2860555A Cutting and creasing dies
US2804200A Display boxes
US2783876A Lined folding boxes
US2783013A Reinforced easel construction for folding boxes and display panels
US2893620A Hollow walled folding boxes
US2770410A Hollow-walled boxes
US2765113A Hollow-walled boxes
US2605953A Hollow-walled box
US2605954A Hollow-walled box
US2576708A Container with integral snapping closure fastener
US2532216A Display container
US2507947A Display structure with supporting easel
US2585361A Display carton with cover convertible to easel
US2522325A Traylike folding structure
US2472871A Dispensing container
US2366226A Dispensing container
US2387790A Multicompartment carton
US2345646A Box, carton, or similar device
US2251605A Collapsible structure