| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 14 | |
| #2 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic communication technologies | |
| #2 | Machines | |
| #3 | Telecommunications | |
| #4 | Audio-visual technology | |
| #5 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Tuning resonant circuits | |
| #2 | Unspecified technologies | |
| #3 | Unspecified technologies | |
| #4 | Amplification control | |
| #5 | Casings and printed circuits | |
| #6 | Amplifiers | |
| #7 | Antennas | |
| #8 | Nails | |
| #9 | Telephonic communication | |
| #10 | Transmission |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schnell William J | 10 |
| #2 | Frederick Liessmann | 2 |
| #3 | Masters Eugene W | 1 |
| #4 | De Vito Albert | 1 |
| #5 | Wiggins Edward J | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2307805A | Flexible loop antenna | |
| US2250936A | Radio receiver | |
| GB528441A | Improvements in and relating to snap fasteners | |
| US2224582A | Radio receiver | |
| US2217178A | Radio receiver | |
| US2187303A | Fastener member and fastener installation | |
| US2154778A | Radio tuner | |
| US2186500A | Radiophone communication system | |
| US2155101A | Radio dial | |
| US2122329A | Radio tuning indicator | |
| US2182572A | Radio tuning indicator | |
| US2122328A | Radio tuning indicator | |
| US2103856A | Dial | |
| US1982965A | Radio reception | |
| US1666922A | Condenser |