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Patents for Wm. H. Chapin
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
225,485Mar. 16, 1880E.N. ParkerParallel Plierspliers
268,560Dec. 05, 1882J. Duckworth, E. SmithCombination Toolbevels
297,574Apr. 29, 1884L.L. DavisSpirit Levelmetallic levels
319,215Jun. 02, 1885C.P. FaySpring Calipersgauges
530,468Dec. 04, 1894L.O. BarrettMetal Marking Gagemarking gauges
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