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Patents for Frank & Co.
Patents 1 - 6 of 6
First set of recordsLast set of records
NumberDatePatenteeTitleType
143,232Sep. 30, 1873G. Spire, A.H. FrankImprovement in planing-machineswood planers
147,760Feb. 24, 1874G. Spire, A.H. FrankImprovement in spindleswoodworking machine lubrication
162,776May 04, 1875G. SpirePlaning and matching machinewood planers
165,720Jul. 20, 1875G. Spire, A.H. FrankImprovement in molding-machinesmolders
171,510Dec. 28, 1875G. Spire, A.H. FrankImprovement in planing-machineswood planers
174,950Mar. 21, 1876G. Spire, A.H. FrankImprovement in sawing-machinesbandsaws
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