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Patents for Hisey-Wolf Machine Co.
Patents 1 - 12 of 12
First set of recordsLast set of records
712,537Nov. 04, 1902C.S. HiseyElectric grinding devicehandheld power tools
752,223Feb. 16, 1904C.S. HiseyVariable-speed mechanismhandheld drills
1,259,130Mar. 12, 1918E. Ritz, Jr.Internal and External Grinder
1,259,131Mar. 12, 1918E. Ritz, Jr.Grinder
1,380,595Jun. 07, 1921E. Ritz, Jr.Quick-throw electric switchhandheld power tools
1,525,691Feb. 10, 1925G.H. PothElectric motorhandheld power tools
1,638,459Aug. 09, 1927E. RitzGrinding-wheel guardbench or pedestal grinders
1,938,723Dec. 12, 1933E. Ritz, Jr.Grinding machinebench or pedestal grinders
1,953,133Apr. 03, 1934E. Ritz, Jr.Construction of grinders for use in lathes or the likewood lathe accessories
1,982,483Nov. 27, 1934E. Ritz, Jr.Grinding machinebench or pedestal grinders
2,003,495Jun. 04, 1935E. Ritz, Jr.Grinding machinebench or pedestal grinders
2,073,967Mar. 16, 1937A. KieferBolt turning machine and the like
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