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.
# | Country | Total Patents | |
---|---|---|---|
#1 | Canada | 4 | |
#2 | United States | 3 | |
#3 | EPO (European Patent Office) | 2 | |
#4 | WIPO (World Intellectual Property Organization) | 2 | |
#5 | Australia | 1 |
# | Industry | |
---|---|---|
#1 | Consumer goods |
# | Technology | |
---|---|---|
#1 | Filing and indexing | |
#2 | Books |
# | 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 |
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 |