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All Patents of Type: harrows
Patents 1 - 15 of 36
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NumberDatePatenteeTitleType
803XNov. 18, 1807S. VintonPlough harrowplows or ploughs
3,786XDec. 08, 1823W. McConaugheyMaking harrow teethharrows
3,880XJun. 01, 1824A. Newbern (Newborn)Hoe harrowharrows
3,960XNov. 09, 1824J. Pratt, H. HopkinsSelf-sharpening harrowharrows
4,258XNov. 08, 1825W. BeachTeeth for cultivator or hoe harrowharrows
4,397XApr. 13, 1826W. BeachTooth of cultivator or harrowharrows
4,494XJul. 11, 1826L. TamCleave harrow for clearing groundharrows
4,668XFeb. 16, 1827W. McConaugheyApparatus for constructing harrow teethharrows
4,842XJul. 31, 1827I. CheathamHarrow and plough hoeplows or ploughs
5,895XMar. 30, 1830L.C. TamHarrow teeth flukeharrows
NX-5,911Apr. 12, 1830L.C. TamHarrow Teethharrows
6,331XJan. 11, 1831S. RuggRevolving harrowharrows
6,747XSep. 03, 1831W.P. SampleCotton cultivating machineharrows
7,160XJul. 09, 1832N. Stanton, Jr.Corn and grain harrow and cultivatorharrows
7,188XJul. 28, 1832J.D. WoodsideRevolving cylindrical harrowharrows
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