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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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Updated 26-01-10