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All Patents in class 33/367
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
26,762Jan. 10, 1860S.D. HaileySurveyor's Levellevels
313,657Mar. 10, 1885W.L. CurtisSurveying Instrumentsurveying apparatus
825,760Jul. 10, 1906J.L. RussellLiquid Levellevels
1,203,702Nov. 07, 1916A.J. CashelLevellevels
4,603,485Aug. 05, 1986L.D. OstbyLeveling Apparatusmachinist levels
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