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All Patents in class 81/28
Patents 76 - 87 of 87
First set of recordsPrevious set of recordsLast set of records
NumberDatePatenteeTitleType
995,808Jun. 20, 1911A.F. SchadeBit-Brace Chuckbrace chucks
1,107,938Aug. 18, 1914S.N. HallBit-brace with crank arm
1,289,558Dec. 31, 1918R.F. SedgleyWrenchsocket wrenches
1,328,428Jan. 20, 1920D.F. GrahamSocket-Wrenchsocket wrenches
1,422,067Jul. 11, 1922W.A. AbeggSocket Wrenchsocket wrenches
1,425,270Aug. 08, 1922S.J. MorganMagazine brace
1,435,288Nov. 14, 1922W.R. Smith, W.E. GiffordSocket Ratchet Wrenchratchet wrenches
1,529,006Mar. 10, 1925C. BodmerBit-Brace Extensiondrill bit extensions
1,626,671May 03, 1927S.R. EnbergTool Handletool handles
1,642,569Sep. 13, 1927B. Reader, F.H. WinslowHand Toolscrewdriver mechanisms
1,764,690Jun. 17, 1930E.M. PfauserTool Handletool handles
2,320,119May 25, 1943J.T. BurksMechanical wrenchspiral screwdrivers
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