Guard for protecting coin operated switches and like metering devices
United States Patent 2716882
US Patent References:
/0937503.html
- - 0937503

Locked housing for valves
- - 1484793

Pay station telephone lock
- - 1955462


Inventors:
Gill, William M.
Vold, Earl D.
Publication Date:
09/06/1955
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Assignee:
Gill, William M.
Vold, Earl D.
Primary Class:
70/159
Other Classes:
70/57, 70/2, 70/DIG.058
International Classes:
G07F9/10