Title:
Plug cutter
United States Patent 2978002
US Patent References:
/0900044.html
- - 0900044

Rotary plug-routing bit
- - 1494897

Tubular boring tool
- - 2027139

Plug cutter
- - 2748817


Inventors:
Ransom, Robert B.
Publication Date:
04/04/1961
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Assignee:
NORFOLK PRODUCTS CORP
Primary Class:
408/205
International Classes:
B23B51/04; B27G15/00; C04B35/03