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LEONARD CHARLES F

Overview
  • Total Patents
    11
About

LEONARD CHARLES F has a total of 11 patent applications. Its first patent ever was published in 1905. It filed its patents most often in United States and Canada. Its main competitors in its focus markets transport and packaging and shipping are PRESBAT PRODUCTS PTY LTD, WASSERVOGEL FRANCOIS and LUDVIK ISACHSEN.

Patent filings in countries

World map showing LEONARD CHARLES Fs patent filings in countries
# Country Total Patents
#1 United States 8
#2 Canada 3

Patent filings per year

Chart showing LEONARD CHARLES Fs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Transport
#2 Packaging and shipping

Top inventors

# Name Total Patents
#1 Leonard Charles F 10
#2 Leonard Claude H 3
#3 Leonard Legal Representative B 1
#4 Kennedy Steven D 1

Latest patents

Publication Filing date Title
US5882029A Trailer hitch alignment and lifting device
US4960294A Truck mud flap support arm
US4877267A Truck mud flap arm
US4352502A Support assembly for mud-flaps
US4189165A Mud-flap supporting assembly
US1556229A Stabilizer for two-wheel vehicles
CA101281A Wire coiler
CA101282A Wire fence making machine
US827695A Steering and brake mechanism for wire-fence machines.
US827644A Wire-fence machine.