| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 30 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Machines | |
| #3 | Thermal processes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Petersen Carl M | 17 |
| #2 | Freeman Edgar H | 5 |
| #3 | Radack Harry E | 4 |
| #4 | Cross Charles S | 3 |
| #5 | Smith Charles A | 2 |
| #6 | Kenneth Freeman Edgar | 1 |
| #7 | Zoda Frederick A | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3172983A | Snap-in plunger switch | |
| US3131987A | Electrical wiring device | |
| US3005178A | Electrical wiring device and mounting means therefor | |
| US2987214A | Weatherproof, protective covering for electrical wiring devices | |
| US1958347A | Candelabrum socket | |
| US1931621A | Fixture switch | |
| US1955513A | Circuit status indicating means | |
| US2045199A | Indicating wall socket | |
| US1833721A | Candelabrum socket | |
| US1771498A | Snap switch | |
| US1851402A | Cigar lighter | |
| US1821031A | Flush receptacle | |
| US1801173A | Snap switch-surface type | |
| US1889695A | Table tap | |
| US1924750A | Socket shell construction | |
| US1866985A | Electric connecter | |
| US1787915A | Multiple-control switch | |
| US1821030A | Pull switch candelabrum socket | |
| US1762075A | Electrical switch device | |
| US1698449A | Plug receptacle |