Title:
Micrometer for circular size, especially of grooves
United States Patent 2679107
Inventors:
Gondek, John T.
Publication Date:
05/25/1954
Export Citation:
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Assignee:
NORTHERN PUMP COMPANY
Primary Class:
33/827
Other Classes:
33/542.1
International Classes:
G01B5/12
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US Patent References:
2591452Internal dimension gauge
2135912Internal diameter micrometer
1760717Gauge
0794094N/A
0691682N/A
0536676N/A
Foreign References:
DE336996C
FR524392A
DE372013C
FR738834A
CH208011A
GB612457A