United States Patent 2314835
Inventors:
Johns, Thomas H.
Sylvander, Paul W.
Publication Date:
03/23/1943
Assignee:
Johns, Thomas H.
Sylvander, Paul W.
Other Classes:
220/23.830, 220/772, 220/758, 220/751, 206/515, 206/514
International Classes:
A47J47/18; A47J47/00