| Patents for Norton Grinding Co. |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| 521,836 | Jun. 26, 1894 | O.S. Walker | Bearing for emery-wheels | bench or pedestal grinders |
| 664,319 | Dec. 18, 1900 | M.B. Hill | Oil-stone | |
| 791,159 | May 30, 1905 | C.H. Norton | Abrasive-wheel mounting | bench or pedestal grinders |
| 839,080 | Dec. 18, 1906 | C.O. Smith | Machine for grinding ball bearing races | grinders |
| 945,979 | Jan. 11, 1910 | H.N. Cudworth, J.C. Spence, C.H. Norton | Machine for grinding crankshafts | grinders |
| 1,096,188 | May 12, 1914 | C.H. Norton | Apparatus for grinding rolls | grinders |
| 1,150,243 | Aug. 17, 1915 | A.G. Belden | Head-stock | cylindrical grinders |
| 1,261,083 | Apr. 02, 1918 | J.S. Wilcox, Jr. | Wheel Feed for Grinding Machines | |
| 1,261,156 | Apr. 02, 1918 | C.H. Norton | Belt Drive for Grinding Machines | |
| 1,261,157 | Apr. 02, 1918 | C.H. Norton | Center and Tool Holder | grinding attachments |
| 1,271,208 | Jul. 02, 1918 | J.S. Wilcox, Jr., C.H. Norton | Work Drive for Grinding Machines | |
| 1,299,765 | Apr. 08, 1919 | C.H. Norton, A. Turner | Multiple-speed device | surface grinders |
| 1,304,799 | May 27, 1919 | C.H. Norton | Double-head grinding machine | cylindrical grinders |
