Title:
Electric eye barrier guard
United States Patent 2798583


Inventors:
Jeszka, Kenneth S.
Kudeck, Allen A.
Alex, Paalu
Application Number:
US38109253A
Publication Date:
07/09/1957
Filing Date:
09/18/1953
Assignee:
SMITH CORP A O
Primary Class:
Other Classes:
192/18B
International Classes:
F16P3/14
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