United States Patent 2332294
Inventors:
Bohmfalk, Benjamin H.
Publication Date:
10/19/1943
Assignee:
Bohmfalk, Benjamin H.
Other Classes:
290/55, 203/DIG.001, 159/904, 392/403, 392/391, 159/902, 392/308, 126/680, 159/DIG.001, 290/2, 159/903, 203/DIG.017
International Classes:
C02F1/04; C02F1/18