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Patents for F. L. Walker
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
52,995Mar. 06, 1866G.A. Walker, A. Hardy, F.L. WalkerImprovement in lockslocks
1,111,795Sep. 29, 1914W.S. HawkerRod lathewood lathes
1,365,779Jan. 18, 1921T.E. GroveIndicating Caliperscalipers
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