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All Patents in class 112
Patents 1 - 15 of 90
First set of recordsNext set of recordsLast set of records
167Apr. 17, 1837U. EmmonsImprovement in the mode of constructing single-rail railroadsrailroad machines
4,750Sep. 10, 1846E. Howe, Jr.Sewing Machinesewing machines
7,622Sep. 03, 1850B. ThimonnierImprovement in Sewing Machinessewing machines
7,776Nov. 12, 1850A.B. WilsonSewing Machinesewing machines
9,365Nov. 02, 1852C. HodgkinsImprovement in sewing-machines
10,622Mar. 07, 1854C. HodgkinsImprovement in sewing-machines
10,879May 09, 1854C. HodgkinsImprovement in sewing-machines
12,247Jan. 16, 1855H.B. SmithImprovement in sewing-machines
13,242Jul. 10, 1855J.B. WoodruffImprovement in Sewing Machinessewing machines
16,436Jan. 20, 1857E. Howe, Jr.Sewing Machinesewing machines
20,753Jun. 29, 1858H.B. West, H.F. WillsonImprovement in sewing machinessewing machines
21,250Aug. 24, 1858M.D. Whipple, R.B. FittsImprovement in Sewing Machinessewing machines
22,264Dec. 07, 1858J. FirstImprovement in sewing-machines
25,078Aug. 09, 1859R. EickemeyerImprovement in sewing-machines
26,346Dec. 06, 1859C.W. DickinsonImprovement in sewing-machinessewing machines
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