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Patents for Almon Bridgman
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
188,580Mar. 20, 1877J.L. Perry, A. BridgmanImprovement in wood-polishing machinessanding machines
209,648Nov. 05, 1878A. BridgmanImprovement in sandpapering-machinessanding machines
226,273Apr. 06, 1880J.L. Perry, A. BridgmanWood-polishing machinesdrum sanders
RE10,152Jul. 11, 1882A. Bridgman, J.L. PerryWood-polishing machinesanding machines
352,988Nov. 23, 1886A. Bridgman, J. ChallonerDrum sandersanding machines
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