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Photoelectrically controlled press
US 2,241,556 A
Filed
: 06/20/1938
Issued
: 05/13/1941
Est. Priority Date
: 06/20/1938
Status: Expired due to Term
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126
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126 Citations
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Current Assignee
Howard F. Macmillin
,
Reider Thoreson
Original Assignee
Howard F. Macmillin
,
Reider Thoreson
Inventors
Macmillin, Howard F.
,
REIDER THORESON
Application Number
US02/214,852
Time in Patent Office
1,058 Days
Field of Search
US Class Current
192/130
CPC Class Codes
F16P 3/144
using light grids
Y10S 60/911
Fluid motor system incorpor...
Y10S 83/01
Safety devices
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