Dental pliers
United States Patent 2632248
US Patent References:
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/0168924.html
- - 0168924

/0491231.html
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Inventors:
Ludwig, Kohler
Publication Date:
03/24/1953
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Assignee:
Fred, Koehler L.
Primary Class:
433/160
Other Classes:
81/418
International Classes:
A61C3/14; A61C3/00
US Patent References:
1465905Tool for compressing valve springs