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JOHNSON DAVID L

Overview
  • Total Patents
    11
About

JOHNSON DAVID L has a total of 11 patent applications. Its first patent ever was published in 1929. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets machines, civil engineering and foods and drinks are DYMET DIMENSIONS, NAT ROLLING MILLS INC and CORNELIUS COLLINS.

Patent filings per year

Chart showing JOHNSON DAVID Ls patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Johnson David L 9
#2 Schroeder Lyndon J 1
#3 Spicer Mark W 1
#4 Klocke Jacob T 1

Latest patents

Publication Filing date Title
GB201220291D0 The injection moulded pendulum tree designed to move in time with your horse
GB0022643D0 On-card P.I.N coding system
WO9411597A1 Metallic wall framing, method and apparatus for producing same
CA2148365A1 Metallic wall framing, method and apparatus for producing same
US5161932A Roller storage system
US2643997A Isolation and purification of streptomycin phosphate
US2115815A Concentrates from vegetables, fruits, or berries, and their manufacture
US1887491A Decoy hobble