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DUO TANG INC

Overview
  • Total Patents
    12
About

DUO TANG INC has a total of 12 patent applications. Its first patent ever was published in 1993. It filed its patents most often in Canada, United States and EPO (European Patent Office). Its main competitors in its focus markets consumer goods are LUIGI LOMBARDINI, KANTOORBOEKENFABRIEK ATLANTA V and HERDEGEN FA HERM.

Patent filings per year

Chart showing DUO TANG INCs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Consumer goods

Focus technologies

Top inventors

# Name Total Patents
#1 Mullin Howard 9
#2 Doninelli Peter David 4
#3 Honeker Klaus 3
#4 Doninelli Peter D 2
#5 Bessey Boyd Thomas 1
#6 Crouch Jimmy 1
#7 Lynch Peter F 1
#8 Schwartz Douglas 1
#9 Christoffel Glenn N 1
#10 Mullin Howard R 1

Latest patents

Publication Filing date Title
CA2344925A1 Folder with extra pocket
CA2260613A1 A notebook binder device with a central window
CA2266331A1 Curled finger hinge binder
US5393156A Molded binder assembly
CA2095512A1 Hinge binder device