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Patents for Emma Spener
Patents 1 - 11 of 11
First set of recordsLast set of records
NumberDatePatenteeTitleType
981,915Jan. 17, 1911N.D. ChardEngine-lathemetal lathes
985,041Feb. 21, 1911W. LodgeDiameter Gage for Lathesmetal lathe accessories and attachments
1,007,181Oct. 31, 1911N.D. ChardLathemetal lathes
1,007,182Oct. 31, 1911N.D. ChardLathemetal lathes
1,022,721Apr. 09, 1912N.D. ChardLathemetal lathes
1,121,068Dec. 15, 1914N.D. ChardLathemetal lathes
1,133,064Mar. 23, 1915W.L. SchellenbachWork-securing mechanismmetal lathes
1,152,055Aug. 31, 1915W.L. SchellenbachMultiple-tool holdermetal lathes
1,154,939Sep. 28, 1915W.L. Schellenbach, W. Lodge, N.D. ChardNarrow tool-supportmetal lathes
1,171,665Feb. 15, 1916W. SchellenbachProjectile-turnermetal lathes
1,171,666Feb. 15, 1916W. SchellenbachLength-stopmetal lathes
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