| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Environmental technology | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Batteries | |
| #2 | Reduction of greenhouse gas emissions | |
| #3 | Portable lighting devices | |
| #4 | Lighting device details | |
| #5 | Special light sources | |
| #6 | Milling |
| # | Name | Total Patents |
|---|---|---|
| #1 | Baird Frank T | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US2475538A | Storage battery with refractory separator | |
| US2369637A | Electric lantern | |
| US1604872A | Multicell battery | |
| US1546359A | Multicell-battery receptacle | |
| US1454033A | Charging rack | |
| US1422331A | Adapter | |
| US1279074A | Battery-separator. | |
| US1278824A | Electric lantern. | |
| US1275360A | Electric lantern. | |
| US1088120A | Portable self-contained electric lamp. | |
| CA197212A | Battery separator |