United States Patent 2100186
Inventors:
Hagopian, Charles H.
Publication Date:
11/23/1937
Assignee:
Hagopian, Charles H.
Other Classes:
239/428, 4/601, 248/205.500, 239/587.500, 239/283, 239/587.100
International Classes:
A47K3/28; E03C1/04; E03C1/06