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SCHMANSKI DONALD W

Overview
  • Total Patents
    25
About

SCHMANSKI DONALD W has a total of 25 patent applications. Its first patent ever was published in 1976. It filed its patents most often in United States, EPO (European Patent Office) and Canada. Its main competitors in its focus markets civil engineering, machines and audio-visual technology are NEUSCH WILLIAM H, CARSONITE INT CORP and EIGENMANN LUDWIG.

Patent filings per year

Chart showing SCHMANSKI DONALD Ws patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Schmanski Donald W 24
#2 Rose Thomas J 2
#3 Schmanski D W 1

Latest patents

Publication Filing date Title
US4997307A Removable snow pole insert
US5015119A Vision blocking barrier
US4715743A Mobility guide tile for visually handicapped
WO8403001A1 Electrolysis test station terminal and support
EP0128897A1 Skirt member for crossing guard rail
ZA8205600B Flexible street sign blank
WO8303271A1 Glarefoil assembly
US4342168A Flexible street sign blank
US4338041A Glarefoil assembly
CA1102086A Roadway/traffic delineator
EP0000370A1 Roadway/traffic delineator
US4061435A Roadway delineator
US4357001A Method and apparatus for making fences