United States Patent 1948401
Inventors:
Smith, George A.
Foster, John F.
Publication Date:
02/20/1934
Assignee:
Smith, George A.
Foster, John F.
Other Classes:
366/179.100, 137/606, 239/304, 239/305, 366/605, 239/383, 366/182.100, 222/136
International Classes:
B05B7/24