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All Patents of Type: plane frogs
Patents 1 - 11 of 11
First set of recordsLast set of records
216,698Jun. 17, 1879H.B. PriceImprovement in Planesplane frogs
313,694Mar. 10, 1885W. TidgewellJoiner's Planeplane frogs
528,087Oct. 23, 1894T.W. FullerBench or other planeplane frogs
696,081Mar. 25, 1902H. RichardsTwo Step Frog for Planesplane frogs
707,365Aug. 19, 1902A.W. StanleyRaised Frog Receiverplane frogs
840,418Jan. 01, 1907W.F. ArnoldPlane Frogplane frogs
864,101Aug. 20, 1907E.S. MarksFrog Receiver for Benchplanesplane frogs
930,307Aug. 03, 1909C.E. MitchellSheet Metal Frogplane frogs
987,081Mar. 14, 1911E.A. SchadePin and Screw Frog Attachment for Bed Rock Planesplane throat adjustments
1,021,369Mar. 26, 1912T.A. ManleyPlaneplane frogs
1,776,661Sep. 23, 1930F.F. McCuePlaneplane frogs
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