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Patents for Armstrong Bros. Tool Co.
Patents 1 - 15 of 36
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NumberDatePatenteeTitleType
492,381Feb. 28, 1893G. ArmstrongTool Holderlathe tools
613,950Nov. 08, 1898E.C. Lewis, H.G. Hoadley, H.D. WilliamsLever and Ratch Attachmentratchet wrenches
658,478Sep. 25, 1900H.G. Hoadley, H.D. WilliamsMechanical Movementratchet wrenches
675,184May 28, 1901J. ArmstrongTool Holdermetal planer tool holders
700,865May 27, 1902J. Armstrong, S. WelterCutting Tool
707,472Aug. 19, 1902J. Armstrong, S. WelterTool Holdermetal planer tool holders
725,019Apr. 14, 1903J. ArmstrongTool Holderlathe tool holders and tool posts
745,758Dec. 01, 1903S. Welter, J. ArmstrongSlotting Machine Tool Holderslotting machine tool holders
779,516Jan. 10, 1905J. ArmstrongProcess of Cuttting Self Hardening Steel
914,012Mar. 02, 1909P. ArmstrongRatchet Drilldrill accessories
960,769Jun. 07, 1910J. ArmstrongNurling Tool
1,024,656Apr. 30, 1912I.W. SprinkBoring Bar
1,066,899Jul. 08, 1913K. GulbrandsenSafety Lathe Doglathe dogs
1,103,164Jul. 14, 1914H. TurnerTool Holderlathe tool holders and tool posts
1,196,884Sep. 05, 1916R.B. Patterson, Jr.Appliance for mounting and demounting split pulleysindustrial machine pulleys and belt drive mechanisms
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