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All Patents of Type: inside micrometers
Patents 1 - 13 of 13
First set of recordsLast set of records
NumberDatePatenteeTitleType
686,497Nov. 12, 1901T. WiedmannTelescopic Micrometer Gageinside micrometers
726,003Apr. 21, 1903L.S. StarrettInside Micrometerinside micrometers
835,224Nov. 06, 1906D.K. LeeMicrometerinside micrometers
841,271Jan. 15, 1907J. RauMicrometerinside micrometers
842,263Jan. 29, 1907F. SpaldingMicrometer Calipersinside micrometers
846,607Mar. 12, 1907J.L. PeddycoartMicrometer Gageinside micrometers
874,197Dec. 17, 1907E. HeymMicrometer Calipersinside micrometers
934,692Sep. 21, 1909H.S. PlantMicrometer Gageinside micrometers
1,740,695Dec. 24, 1929C.E. JohanssonGaugeinside micrometers
1,810,710Jun. 16, 1931C.E. JohanssonGaugeinside micrometers
2,030,864Feb. 18, 1936H.C. GielowInside Micrometer Centering Deviceinside micrometers
2,199,236Apr. 30, 1940C. BigwoodInside Micrometer Attachmentinside micrometers
2,311,477Feb. 16, 1943W.A. SemerakInside Micrometerinside micrometers
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