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Patents for Pratt & Whitney Co.
Patents 181 - 195 of 261
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NumberDatePatenteeTitleType
1,237,511Aug. 21, 1917B.M. HansonLathemetal lathes
1,273,904Jul. 30, 1918F. MüllerTap Making Machine
1,276,445Aug. 20, 1918C.H. TaylorThread-cutterlathe tools
1,282,819Oct. 29, 1918B.M. HansonStop Mechanism for Lathesmetal lathes
1,287,731Dec. 17, 1918F. MüllerAutomatic Grinding Machinegrinders
1,287,732Dec. 17, 1918F. MüllerMachine for Milling Knurlsembossing and knurling machines
1,299,125Apr. 01, 1919A.E. CarterCutting Toollathe tool holders and tool posts
1,299,208Apr. 01, 1919F. MüllerRelieving Lathemetal relieving machines
1,318,223Oct. 07, 1919F. MüllerLathe Tail-Stockmetal lathe mechanisms
1,323,267Dec. 02, 1919B.M. HansonPrecision Boring Machinevertical boring mills
1,323,268Dec. 02, 1919B.M. HansonLubricating System
1,323,276Dec. 02, 1919F.O. HoaglandMetal Working Machine and Methodmetalworking machines
1,323,277Dec. 02, 1919F. HoaglandMetal Working machinemetalworking machines
1,323,279Dec. 02, 1919F.O. HoaglandBarrel Straightening Mechanismmetal straightening machines
1,323,280Dec. 02, 1919F.O. HoaglandLimit Gagelimit gages
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