| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | Canada | 3 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Lighting device details | |
| #2 | Unspecified technologies | |
| #3 | Portable lighting devices | |
| #4 | Electric switches |
| # | Name | Total Patents |
|---|---|---|
| #1 | Meginniss Francis R | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US2209702A | Switch | |
| US2250644A | Lamp and socket therefor | |
| US2098507A | Flash lamp | |
| US1901253A | Clamp and support for flash lights | |
| US1959835A | Switch | |
| US1901252A | Switch | |
| US1948728A | Switch | |
| US1948727A | Switch | |
| CA327763A | Electric switch | |
| CA327764A | Electric switch | |
| CA327765A | Electric switch |