POLISHING APPARATUS
United States Patent 3499250
US Patent References:
/0671130.html
- - 0671130

/0804853.html
- - 0804853

Stropping material
- - 1923719

Sanding disk accessory
- - 2644280


Inventors:
Jensen, Elmer W.
Jacobsen, Hans R.
Publication Date:
03/10/1970
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Assignee:
GEOSCIENCE INSTR CORP
Primary Class:
451/259
Other Classes:
451/533, 428/316.600
International Classes:
B24B37/00; B24D7/02; B24D7/00; B24B7/00; B24B11/00; B24B9/00




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