United States Patent 2570504
Inventors:
House, Kenneth Van J.
Publication Date:
10/09/1951
Assignee:
House, Kenneth Van J.
Other Classes:
280/DIG.006, 211/14, 211/70.200, 280/13, 224/919
International Classes:
B62B1/26; A63B55/02; B62B1/00; A63B55/00