United States Patent 3550653
Inventors:
Gauthier, Edward
Larson, Robert A.
Latendresse, Philip E.
Publication Date:
12/29/1970
Other Classes:
144/4.100, 83/370, 83/416
International Classes:
A01G23/00; B27B5/10; B27B5/00; B27C9/00; B27B5/00; B27B31/00