CT

Chun Yuen To

WC World Wide Stationery Mfg. Co.: 60 patents #1 of 21Top 5%
WL World Wide Daily Holdings Company Limited: 16 patents #1 of 1Top 100%
CT Cooper Technologies: 1 patents #474 of 859Top 60%
Overall (All Time): #24,440 of 4,157,543Top 1%
77
Patents All Time

Issued Patents All Time

Showing 1–25 of 77 patents

Patent #TitleCo-InventorsDate
D943284 Toothbrush head 2022-02-15
D943285 Toothbrush head 2022-02-15
D927191 Toothbrush 2021-08-10
10932557 Dental cleaning tool with handle shield 2021-03-02
D906687 Toothbrush 2021-01-05
D898371 Toothbrush 2020-10-13
D898369 Toothbrush 2020-10-13
D898372 Toothbrush 2020-10-13
D898370 Toothbrush 2020-10-13
D897687 Toothbrush 2020-10-06
D897686 Toothbrush 2020-10-06
D897685 Toothbrush 2020-10-06
D897684 Toothbrush 2020-10-06
10610338 Dental cleaning tool with secondary cleaning tool and integrated shield for the secondary cleaning tool 2020-04-07
D878766 Toothbrush 2020-03-24
10376346 Dental cleaning tool with integrated shield 2019-08-13
10118431 Ring for ring binder mechanism 2018-11-06
9895922 Ring binder with interlocking ring members 2018-02-20
9751356 Ring binder mechanism Jn Biao Pi 2017-09-05
9688091 Ring binder mechanism Ho Ping Cheng, Jin Biao Pi 2017-06-27
9656507 Ring binder mechanism having snap-in ring members 2017-05-23
D783092 Ring mechanism having elliptical cross sectional ring members 2017-04-04
D735808 Elliptical cross sectional ring member for a ring mechanism 2015-08-04
9067457 Ring binder mechanism having unitary structure 2015-06-30
8899864 Ring binder mechanism having unitary structure 2014-12-02