| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 |
| # | Industry | |
|---|---|---|
| #1 | Medical technology | |
| #2 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Diagnosis and surgery | |
| #2 | Lighting device details | |
| #3 | Electric incandescent lamps | |
| #4 | Resistors |
| # | Name | Total Patents |
|---|---|---|
| #1 | Cameron Will J | 13 |
| Publication | Filing date | Title |
|---|---|---|
| US1664660A | Nasal retractor or speculum | |
| US1649150A | Lamp construction | |
| US1705465A | Head lamp | |
| US1595378A | Nasal speculum | |
| US1587897A | Speculum | |
| US1793463A | Handle for instruments for making examinations | |
| US1544554A | Cautery and holder | |
| US1548184A | Holder and control for pulp testers | |
| US1510304A | Illuminated tongue depressor | |
| US1499341A | Dental pulp tester | |
| US1451678A | Variable-resistance unit | |
| US1433982A | Incandescent electric lamp | |
| US1449165A | Surgical appliance |