Title:
Chance contest cards and method of using same
United States Patent 3259389
US Patent References:
Combination shutter and color filter for the motion picture projection arts
- - 1846054
Display system for radar navigation
- - 2586743
Method and apparatus for selective programed automatic maintenance of equipment
- - 2963652
Combination shutter and color filter for the motion picture projection arts
- - 1846054
Display system for radar navigation
- - 2586743
Method and apparatus for selective programed automatic maintenance of equipment
- - 2963652
Inventors:
Blondell, Thomas F.
Publication Date:
07/05/1966
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Export Citation:
Assignee:
Blondell, Thomas F.
Primary Class:
Other Classes:
273/293, 463/40
International Classes:
A63F3/06; A63F9/18; A63F9/00
Foreign References:
| CA592470A | ||||
| FR866700A | ||||
| FR1198344A |