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Patents for A. J. Bowen
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
2,656May 30, 1842R.M. HoeMachinery for grinding and polishing metallic surfaces, particularly saw-platestool making machines
3,550Apr. 17, 1844R.M. HoeInking-rollerprinter
3,551Apr. 17, 1844R.M. HoePrinting-pressprinter
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