Apparatus for cutting through the side wall of a pipe
United States Patent 2014805

Inventors:
Hinderliter, Frank J.
Publication Date:
09/17/1935
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Assignee:
Hinderliter, Frank J.
Primary Class:
166/55.300
Other Classes:
166/117.600, 166/55.700, 409/143, 175/383, 407/62, 175/325.200
International Classes:
E21B29/06; E21B29/00