| | Todd-AO patents | Read more at in70mm.com The 70mm Newsletter
| | Collected by: Thomas Hauerslev | Date: 01.07.2008 | Patent (US Patent Office) | Application | Filed Date | Name | Patented | 2 857 805 | Motion Picture Theatre System | 06.04.1953 | Brian O'Brien | 28.10.1958 | 2 186 388 | Printing process | 15.07.1953 | Ethel D. OŽBrien and Brian OŽBrien | 26.03.1957 | 2 792 746 | Wide Angle picture projection optical systems and screen apparatus | 03.08.1953 | Brian O'Brien | 21.05.1957 | 2 803 997 | Image-Forming Optical Lens Telephoto Systems | 27.08.1954 | Robert E Hopkins | 27.08.1957 | 2 972 517 | Adjustable screens for picture projection | 17.08.1956 | Edward Moon and Charles P. Toscano | 28.06.1960 |
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