Title:
Micrometer for circular size, especially of grooves
United States Patent 2679107
US Patent References:
/0536676.html
- - 0536676

/0691682.html
- - 0691682

/0794094.html
- - 0794094

Gauge
- - 1760717

Internal diameter micrometer
- - 2135912


Inventors:
Gondek, John T.
Publication Date:
05/25/1954
View Patent Images:
Assignee:
NORTHERN PUMP COMPANY
Primary Class:
Other Classes:
33/542.100
International Classes:
G01B5/12; G01B5/08
US Patent References:
2591452Internal dimension gauge
Foreign References:
DE336996C
FR524392A
DE372013C
FR738834A
CH208011A
GB612457A