Title:
Uniform microdisplacement device, particularly for gratings scriber
United States Patent 2506141
Inventors:
Andre, Drouin Pierre
Publication Date:
05/02/1950
Export Citation:
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Assignee:
Andre, Drouin Pierre
Primary Class:
33/41.1
Other Classes:
33/1R, 33/DIG.1, 74/110, 310/17, 310/26, 318/118
International Classes:
G01J3/18; G02B5/18; G01J3/12; G02B5/18
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US Patent References:
2303299Ruling engine
1589477Propulsion mechanism for children's vehicles
0320275N/A