| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 | |
| #2 | Canada | 2 | |
| #3 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Electric discharge tubes | |
| #2 | Special electric heating or lighting |
| # | Name | Total Patents |
|---|---|---|
| #1 | George Sperti | 12 |
| #2 | Sperti George | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US2196567A | Lamp | |
| GB396210A | Improvements in or relating to electric lamps | |
| US2025182A | Ultraviolet lamp | |
| US1956599A | Lamp | |
| US2065988A | Lamp | |
| US2058734A | Lamp | |
| US1976149A | Lamp | |
| US1956598A | Lamp | |
| US2034998A | Lamp | |
| US2196568A | Light source | |
| US1910778A | Lamp | |
| US2046096A | Electric light source | |
| US1889079A | Vapor arc apparatus | |
| CA340617A | Electric light source | |
| CA341707A | Lamp |