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Patents Granted on 1841-07-29
Patents 1 - 3 of 3
First set of recordsLast set of records
2,196Jul. 29, 1841L. YaleImprovement in sawmill dogssawmill dogs
2,198Jul. 29, 1841J. ThompsonMachine for Cutting Screws on the Rails of Bedsteadswood threading machines
2,202Jul. 29, 1841J.C. MayoPortable sawmill
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