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All Patents in class 408/21
Patents 1 - 8 of 8
First set of recordsLast set of records
3,872Dec. 31, 1844R.S. Hannaford, R.H. Penny, W.F. ConverseMachinery for Cutting Screws in the Posts and On the Rails of Bedsteadswood threading machines
146,118Dec. 30, 1873J.B. WrightImprovement in scroll-sawsscrollsaws
319,502Jun. 09, 1885G.G. MorrisonCombined Drilling and Boring Machinedrilling and boring
670,672Mar. 26, 1901G.W. HoadleyCombination Metal and Wood Working Machinedrilling and boring
838,827Dec. 18, 1906J.S. WaughPortable door-mortising machinemortising machines
1,515,620Nov. 18, 1924W.S. RunnelsDrilling and routing machineprinter
2,341,383Feb. 08, 1944W.J. JohnsonPrecision Boring Machinehorizontal boring mills
2,927,612Mar. 08, 1960J.W. Edgemond, Jr., H. GoldschmidtCombination wood-working machinetablesaws
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