Title:
Drill bit
United States Patent 2600286
Inventors:
Weiland, Clarence H.
Publication Date:
06/10/1952
Export Citation:
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Assignee:
BELL MACHINE COMPANY
Primary Class:
408/211
International Classes:
B27G15/00; B27G15/00
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US Patent References:
2230645Drill
2215939Boring-routing tool
1538680Auger
0528725N/A
0404197N/A
0374432N/A
0306907N/A
0270977N/A
Foreign References:
GB364750A