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Patents Granted on 1843-03-??
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
2,991Mar. 04, 1843J. Williams, Jr.Screw-Wrenchscrew adjust wrenches
2,997Mar. 10, 1843J.E. KenderdineSawmillreciprocating sawmills
3,008Mar. 21, 1843T. BlanchardWork-rest for machine for turning irregular formspattern lathes
3,014Mar. 21, 1843E. MartinImprovement in Awl Hafts
XC-183Mar. 31, 1843W. CreightonImprovement in the rotary steam enginerotary steam engines
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