Drill grinding apparatus
United States Patent 2583159
US Patent References:
/RE20491.html
- - RE20491
/0428426.html
- - 0428426
/0497095.html
- - 0497095
/0613127.html
- - 0613127
/0614092.html
- - 0614092
/RE20491.html
- - RE20491
/0428426.html
- - 0428426
/0497095.html
- - 0497095
/0613127.html
- - 0613127
/0614092.html
- - 0614092
Inventors:
Swanson, Nels H.
Publication Date:
01/22/1952
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Assignee:
Swanson, Nels H.
Primary Class:
Other Classes:
451/367
International Classes:
B24B3/24; B24B3/00
US Patent References: