Title:
Power excavating device
United States Patent 3065557
Inventors:
Pewthers, Charles W.
Publication Date:
11/27/1962
Assignee:
ALBRITTON ENGINEERING CORP
Other Classes:
37/447, 37/902, 37/904, 172/40, 172/62, 173/46, 173/52, 173/206, 299/69, 299/108, 405/174, 414/724
International Classes:
E02F3/40; E02F3/40