| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | Canada | 3 | |
| #3 | Argentina | 1 | |
| #4 | Germany | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | France | 1 | |
| #7 | United Kingdom | 1 | |
| #8 | Hong Kong | 1 | |
| #9 | India | 1 | |
| #10 | Italy | 1 | |
| #11 | Japan | 1 | |
| #12 | Republic of Korea | 1 | |
| #13 | Mexico | 1 | |
| #14 | New Zealand | 1 | |
| #15 | Philippines | 1 | |
| #16 | Sweden | 1 | |
| #17 | Singapore | 1 | |
| #18 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Textiles and paper | |
| #3 | Medical technology |
| # | Technology | |
|---|---|---|
| #1 | Brushes | |
| #2 | Production of brushes | |
| #3 | Dentistry |
| # | Name | Total Patents |
|---|---|---|
| #1 | Collis George C | 15 |
| #2 | Collis George Christ | 2 |
| #3 | Collis George C Dr | 1 |
| #4 | Jooji Shii Korisu | 1 |
| #5 | George Christ Collis | 1 |
| Publication | Filing date | Title |
|---|---|---|
| SG36294G | Toothbrush | |
| US4493125A | Toothbrush with curved bristles | |
| PH18524A | Toothbrush | |
| KR860000482B1 | Tooth brush | |
| US4382309A | Toothbrush | |
| US3984890A | Electric tooth brush | |
| DE2449513A1 | Toothbrush with spring element for up and down movement - has soft-ended outer bristles to prevent injury to gums | |
| JPS5147859A | Hao burashigakesuru hohoto sochi | |
| CA1009808A | Method and apparatus for brushing teeth | |
| US3903906A | Method and apparatus for brushing teeth |