Locking key for outlet boxes
United States Patent 2236130

Inventors:
Betebenner, Harry E.
Publication Date:
03/25/1941
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Assignee:
Betebenner, Harry E.
Primary Class:
285/154.300
Other Classes:
285/192, 411/918, 174/51, 403/195, 411/529
International Classes:
H02G3/06; H02G3/02