| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 |
| # | Industry | |
|---|---|---|
| #1 | Basic communication technologies | |
| #2 | Measurement | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Tuning resonant circuits | |
| #2 | Electromechanical clocks | |
| #3 | Mechanically-driven clocks | |
| #4 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Arthur Dorsey | 6 |
| #2 | Shapiro Sam A | 2 |
| #3 | Hyman Shapiro | 1 |
| #4 | Driggs Jr Louis L | 1 |
| #5 | Pinkham Clarence A | 1 |
| #6 | Ford Jr Seth B | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1950661A | Clock | |
| US1698839A | Means for illuminating indicia and the like | |
| US1702934A | Adjusting mechanism for radio apparatus and the like | |
| US1674738A | Drive for radio tuning mechanism | |
| US1751560A | Attachment for connecting tuning units to dial controls | |
| US1639618A | Illuminated dial control | |
| US1595863A | Indicating device for radio receiving apparatus | |
| US1771513A | Dial | |
| US1618921A | Radiodial | |
| US1600324A | Switch mechanism | |
| US1751542A | Clock | |
| US1510139A | Time-indicating mechanism |