| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | Australia | 3 | |
| #3 | Canada | 3 | |
| #4 | Italy | 3 | |
| #5 | Argentina | 2 | |
| #6 | Brazil | 2 | |
| #7 | WIPO (World Intellectual Property Organization) | 2 | |
| #8 | Austria | 1 | |
| #9 | Switzerland | 1 | |
| #10 | Germany | 1 | |
| #11 | Denmark | 1 | |
| #12 | France | 1 | |
| #13 | United Kingdom | 1 | |
| #14 | Japan | 1 | |
| #15 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Medical technology |
| # | Technology | |
|---|---|---|
| #1 | Dentistry |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mcspadden John T | 7 |
| #2 | Mcspadden John Thomas | 5 |
| #3 | Heath Derek E | 5 |
| #4 | Arpaio Jerry | 4 |
| #5 | Thomas Mcspadden John | 1 |
| #6 | Arpaio J | 1 |
| #7 | Deretsuku Ii Hiisu | 1 |
| #8 | Heath D E | 1 |
| #9 | Arpaio Jerry Jun | 1 |
| #10 | Heath D | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4457710A | Dental instrument | |
| US4353698A | Dental tool | |
| US4332561A | Dental file | |
| CA1175262A | Dental tool | |
| JPS5668445A | Dental reamer | |
| US4299571A | Dental file |