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JOHNSON LEONARD T

Overview
  • Total Patents
    11
About

JOHNSON LEONARD T has a total of 11 patent applications. Its first patent ever was published in 1901. It filed its patents most often in United States and Canada. Its main competitors in its focus markets measurement are HULBURT JOAN, MCFARLANE MFG COMPANY and KOGA SHIGEO.

Patent filings in countries

World map showing JOHNSON LEONARD Ts patent filings in countries
# Country Total Patents
#1 United States 10
#2 Canada 1

Patent filings per year

Chart showing JOHNSON LEONARD Ts patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Measurement

Focus technologies

# Technology
#1 Weighing

Top inventors

# Name Total Patents
#1 Johnson Leonard T 11

Latest patents

Publication Filing date Title
US2119106A Weighing scale
US1698501A Scale
US1767213A Scale mechanism
US1483888A Weighing mechanism
US1474039A Weighing mechanism
US1375636A Scale
US1401704A Scale
US1369815A Scale
US698509A Price-scale.
US706239A Price-scale.
CA219285A Weighing mechanism