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Patents Granted on 1839-11-__
Patents 1 - 4 of 4
First set of recordsLast set of records
1,403Nov. 09, 1839R. FishApparatus for grading streets and roads
1,411Nov. 16, 1839H. CrumMaking wood screws
AI28Nov. 21, 1839H. CrumMaking Wood Screwswood threading machines
1,420Nov. 25, 1839W.H. ShayBoring woodwoodworking horizontal borers
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