| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Medical technology | |
| #2 | Electrical machinery and energy | |
| #3 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Diagnosis and surgery | |
| #2 | Electric switches | |
| #3 | Reduction of greenhouse gas emissions | |
| #4 | Batteries | |
| #5 | Magnets and transformers |
| # | Name | Total Patents |
|---|---|---|
| #1 | Arnesen Walter A | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US2418687A | Cautery transformer | |
| US2370514A | Ophthalmoscope | |
| US2290665A | Diagnostic instrument | |
| US2200322A | Cautery handle | |
| US2154885A | Otoscope and similar instrument | |
| US2134279A | Ophthalmoscope | |
| US2196171A | Cautery electrode illuminating device | |
| US2058755A | Battery box | |
| US1988293A | Handle for cautery instruments | |
| US1990972A | Diagnostic instrument | |
| CA367246A | Diagnostic instrument |