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Patents for Henry Howson
Patents 1 - 15 of 37
First set of recordsNext set of recordsLast set of records
13,485Aug. 28, 1855W.O. BisbeeMachine for splitting fire-woodfirewood machines
13,878Dec. 04, 1855M. KellerMachine for cutting fronts and backs of violinsspecialty machines
14,058Jan. 08, 1856C. HammondAttaching Hammer-Heads to Shaftshammer handles
14,427Mar. 11, 1856E. WightDovetailing-machinedovetailing machines
14,789Apr. 29, 1856S.W. LoweMachine for Embossing and Printingprinting presses
19,736Mar. 23, 1858E.S. GardnerImprovement in tracks for city railways
19,740Mar. 23, 1858J. VickerstaffKnitting Machineknitting machines
19,915Apr. 13, 1858A.B. DavisCorn Shellercorn shellers
20,313May 18, 1858H. SmithDevice Attached to Handsaws for Squaring and Markingcombination saws
21,951Nov. 02, 1858J.S. FordGas Fitter's Vise
22,561Jan. 11, 1859J.L. KnowltonStump-extractor
23,445Apr. 05, 1859C. Chambers, Jr.Paper Folding Machine
27,354Mar. 06, 1860H. DisstonMethod of Securing Handles on Handsawssaw nuts
28,214May 08, 1860R.R. TaylorImprovement in furnaces
28,565Jun. 05, 1860T.S. DisstonMachine for making tabs for crosscut sawstool maker
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