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All Patents in class 235
Patents 1 - 15 of 238
First set of recordsNext set of recordsLast set of records
NumberDatePatenteeTitleType
7,844XNov. 19, 1833W.A. TurnerOdometer, indicating distances travelled in carriages
8,236XJun. 06, 1834D. KohlerAdding machine
2,907Jan. 10, 1843J.P. SmithMerchant's Slide Rulescales
RE71Jul. 08, 1845W. WoodworthWoodworth planerwood planers
6,359Apr. 17, 1849J. TremperPiston-ring and method of deriving motion therefrom in rotary enginesrotary steam engines
7,331Apr. 30, 1850B.M. Van Der VeerBoard and Log Rulelumber rules
8,019Apr. 01, 1851W. Campbell, H. GrossImprovement in Machines for Cutting Screws on Bedstead-Railswood threading machines
13,833Nov. 20, 1855L. YoungRevolving Measuring-Wheelwheel-based measurers
14,329Feb. 26, 1856H. WhippleInstrument for measuring the length of braces in carpentryrules
16,359Jan. 06, 1857J. JonesInstrument for Measuring Boardslumber rules
17,230May 05, 1857R. PorterImprovement in the buckets of automatic grain-weighing machinesgrain scales
22,449Dec. 28, 1858J. PefleyLath-machinelath making machines
22,849Feb. 08, 1859H.J. BehrensBilliard-register
AI229Apr. 19, 1859O.L. CastleAdding numbers
25,423Sep. 13, 1859A. LafeverBoard Measure
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