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All Patents of Type: micrometers
Patents 1 - 15 of 380
First set of recordsNext set of recordsLast set of records
GB-181,103,428Apr. 01, 1811T.W. SturgeonImprovements on a micrometermicrometers
FR-7,518Sep. 07, 1848J.L. PalmerScrew caliper and circular vernier (micrometer)micrometers
141,915Aug. 19, 1873A. BónnazMicrometer Gagemicrometers
202,866Apr. 23, 1878G.M. PrattMicrometer Gagemicrometers
211,975Feb. 04, 1879G.W. DickinsonMicrometer Screw Gagemicrometers
215,041May 06, 1879E.A. BourquinMicrometer Gagemicrometers
219,307Sep. 02, 1879J. RichardsMicrometer Gagemicrometers
235,133Dec. 07, 1880S. DarlingMicrometer Gage for Wire & Sheet Metalmicrometers
261,201Jul. 18, 1882B.H. BristolMicrometer Gagemicrometers
278,094May 22, 1883G.W. ChurchMicrometer Gagemicrometers
279,038Jun. 05, 1883G.F. StillmanMicrometer Calipersmicrometers
280,339Jul. 03, 1883M.M. BarnesMicrometer Calipersmicrometers
287,420Oct. 30, 1883S. DarlingMicrometermicrometers
289,513Dec. 04, 1883S. DarlingMicrometer Gagemicrometers
292,409Jan. 22, 1884C. CarletonMicrometer Gagemicrometers
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