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Patents Granted on 1921-12-__
Patents 1 - 15 of 38
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NumberDatePatenteeTitleType
D59,926Dec. 06, 1921A.T. RichardsonDesign for an Elevation Scale
D59,927Dec. 06, 1921A.T. RichardsonDesign for an Inspector's Track Level and Gagelevels
D59,943Dec. 06, 1921D.C. WatsonDesign for a Levelmetallic levels
1,398,978Dec. 06, 1921H.C. SmithTool-Driving Machinemetalworking power transmission
1,399,009Dec. 06, 1921J.C. DietrichHandsawhandsaws
1,399,137Dec. 06, 1921J.D. McMichealPressure-guard for woodworking-machineswoodworking machine safety guards
1,399,142Dec. 06, 1921W.L. MillerReamer Headreamers
1,399,172Dec. 06, 1921A. VaughanTool handle holding means
1,399,173Dec. 06, 1921F.W. WappatShock-absorber for reversing mechanismwashing machines
1,399,194Dec. 06, 1921I.L. ColeUniversally Adjustable Work or Tool Holdermetal lathe chucks
1,399,388Dec. 06, 1921E.E. JonesBelt-shifterindustrial machine pulleys and belt drive mechanisms
1,399,599Dec. 06, 1921G.K. AtkinsonDrilling-machinedrill presses
1,399,631Dec. 06, 1921C.A. Lofdahl, C.J. LofdahlPlane-Scraperscraper planes
1,399,632Dec. 06, 1921J.R. LongBench Visebench vises
1,399,786Dec. 13, 1921J.E. MessengerBench Vise Base
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