| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Basic communication technologies | |
| #3 | Machine tools | |
| #4 | Audio-visual technology | |
| #5 | Semiconductors | |
| #6 | Chemical engineering | |
| #7 | Mechanical elements | |
| #8 | Consumer goods |
| # | Name | Total Patents |
|---|---|---|
| #1 | Clifford Frondel | 5 |
| #2 | Speed William C | 2 |
| #3 | Primus Irving S | 2 |
| #4 | Newell Herbert L | 1 |
| #5 | Dickinson Edwin A | 1 |
| #6 | Pross George L | 1 |
| #7 | Harry Berman | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2487722A | Drier | |
| US2526604A | Remote control swivel mounting for boom-supported microphones | |
| US2419033A | Apparatus for lapping quartz oscillator plates | |
| US2419034A | Bearing and seal therefor | |
| US2437914A | Quartz oscillator plate | |
| US2437912A | Quartz oscillator plate | |
| US2437915A | Quartz oscillator plate | |
| US2449844A | Quartz oscillator plate | |
| US2437913A | Quartz oscillator plate | |
| US2431282A | Quartz crystal holder | |
| US2445132A | Apparatus for determining electrical axis of quartz crystals | |
| US2413795A | Apparatus for cutting quartz oscillator blanks |