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All Patents of Type: vertical boring mills
Patents 1 - 15 of 49
First set of recordsNext set of recordsLast set of records
GB-180,202,673Dec. 22, 1802M. BillingsleyMachine for boring cylindersvertical boring mills
124,091Feb. 27, 1872J. SimpsonImprovement in Boring Machinesvertical boring mills
275,604Apr. 10, 1883E.F. DebouttevilleMachine for Shaping, Drilling, Boring and Facingmetal slotting machines
299,496May 27, 1884J. RichardsMetal Boring and Slotting Machinevertical boring mills
454,801Jun. 23, 1891W. LewisBoring and Turning Millsvertical boring mills
724,514Apr. 07, 1903W. SellersMachine Toolvertical boring mills
892,107Jun. 30, 1908G.R. WillisChange Speed Gearmetalworking variable speed mechanisms
981,724Jan. 17, 1911L.H. VoldAutomatic Chuck for Boring and Turning Millsvertical boring mills
995,322Jun. 13, 1911E.P. Bullard, Jr.Changeable Driving Connection for Machine Toolsmetalworking machine mechanisms
995,420Jun. 13, 1911S.H. BullardCounterbalancing Device for Machine Toolsmetalworking machine mechanisms
1,058,720Apr. 15, 1913E.P. Bullard, Jr.Cross Rail Securing Device for Machine Toolsvertical boring mills
1,172,341Feb. 22, 1916E.P. Bullard, Jr.Speed Changing Mechanismmetalworking speed changing mechanisms
1,185,060May 30, 1916F.F. ClarkeSpring Counterbalance for the Rams of Boring Millsmetalworking machine mechanisms
1,185,061May 30, 1916F.F. ClarkeLubricating System for the Spindle and Table Drive for Vertical Boring and Turning Millsvertical boring mills
1,185,064May 30, 1916F.F. ClarkeClutch Gearing for Machine Toolsindustrial machine gearing
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