RACE TIMER SYSTEM
United States Patent 3502009
US Patent References:
/0621314.html
- - 0621314
Apparatus for taking photographs
- - 2419474
Cameras
- - 2987976
Method and apparatus for photographing races
- - 3240135
/0621314.html
- - 0621314
Apparatus for taking photographs
- - 2419474
Cameras
- - 2987976
Method and apparatus for photographing races
- - 3240135
Inventors:
Connors, Fred J.
Publication Date:
03/24/1970
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Export Citation:
Assignee:
Fred, Connors J.
Primary Class:
Other Classes:
396/429, 396/284, 396/332, 346/107.200, 968/852
International Classes:
G03B15/00; G04F13/02; G04F13/00; G03B17/24; G01D9/24