Luther Grinder Mfg. Co.

Milwaukee, WI - Goes back to at least 1908.  Likely founded by Clarence J. or George M. Luther.  It was almost certainly preceeded by The Luther Brothers Company.  The Luther Brothers Company goes back to at least 1902.  The Luther Brothers Grinder Company was founded by Clarence Justin Luther, with 3 of his brothers involved.

 

Trade Names and Brands from Trade Publications:

  • Luther (Machinist)

Patents from DATAMP assigned to Luther

Patents from Google assigned to Luther

Clarence J & George M. Luther Google Patents

Leo Bethke Patent #1,271,009 - Clamping Vise 7/2/1918 - Assigned to Luther Grinder Mfg Co.

Image Description: 

From American Exporter ca. 1915

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