| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | Canada | 1 | |
| #3 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Semiconductors | |
| #2 | Transport | |
| #3 | Weapons | |
| #4 | Audio-visual technology | |
| #5 | Optics | |
| #6 | Measurement | |
| #7 | Chemical engineering | |
| #8 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Semiconductor devices | |
| #2 | Vehicle signalling and lighting | |
| #3 | Weapon sights | |
| #4 | Loudspeakers and microphones | |
| #5 | Controlling combustion | |
| #6 | Electrography | |
| #7 | Measuring light | |
| #8 | Mountings for cannons and pistols | |
| #9 | Separation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hester Frank A | 3 |
| #2 | Robert Colman | 2 |
| #3 | Greig John H | 2 |
| #4 | Deuth Albert F | 2 |
| #5 | Rabinowitz Jacob G | 1 |
| #6 | Greig John | 1 |
| #7 | Aconsky Simon S | 1 |
| #8 | Victor Yager | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3389267A | Photoelectric cell with heat sink | |
| US3191045A | Photosensitive element having photoconductive layers | |
| US3271032A | Photoelectric target practice pistol | |
| US3142586A | Method for the manufacture of photosensitive elements | |
| US2965867A | Photosensitive element | |
| US3043921A | Piezoelectric transducer for stereophonic phonograph pickup | |
| US3011092A | Automatic headlight dimmer control circuit | |
| US2912593A | Light responsive control device | |
| US2839646A | Photocell structure | |
| US2839645A | Photocell structure | |
| CA675972A | Photosensitive element |