United States Patent 2094136
Inventors:
Strawn, Raymond W.
Publication Date:
09/28/1937
Assignee:
Strawn, Raymond W.
Other Classes:
440/88A, 440/88R, 114/55.500, 440/88F, 440/87, 440/89R, 440/89F, 123/185.300, 74/491
International Classes:
B63B1/18; B63B1/16