All Patents of Type: grinder wheels |
Patents 1 -
15
of 25
|
Number | Date | Patentee | Title | Type |
187,593 | Feb. 20, 1877 | I.P. Brown, Jr., A.A. Sanborn | Emery Grinding Wheels | grinder wheels |
258,760 | May 30, 1882 | C.V. Hunt | Grinding or Polishing Wheel | grinder wheels |
642,828 | Feb. 06, 1900 | J.F. Spohn | Grinding or Polishing Wheel | grinder wheels |
1,079,304 | Nov. 18, 1913 | H.K. Spencer | Mounting Of Abrasive Wheels | grinder wheels |
1,254,183 | Jan. 22, 1918 | J.F. Williams | Machine to Mold Emery Wheels | molding machines |
1,582,608 | Apr. 27, 1926 | E.R. Hyde | Sectional Grinding Wheel | grinder wheels |
1,698,685 | Jan. 08, 1929 | H.K. Spencer | Abrasive Wheel | grinder wheels |
1,743,604 | Jan. 14, 1930 | F.O. Hoagland | Adapter for Segmental Abrasive Wheels | grinder wheels |
1,767,321 | Jun. 24, 1930 | H.F. Skillings | Abrasive Wheel | grinder wheels |
1,996,980 | Apr. 09, 1935 | H.F. Skillings | Rotary Abrading Tool | grinder wheels |
2,110,086 | Mar. 01, 1938 | H.S. Indge | Abrasive Wheel and Mount Therefor | grinder wheels |
2,180,550 | Nov. 21, 1939 | J.M. Redinger | Mounting for a Grinding Wheel | grinder wheels |
2,308,854 | Jan. 19, 1943 | C.E. Barnes | Abrasive Article | grinder wheels |
2,745,229 | May 15, 1956 | S.G. Brady | Liquid Cooled Grinder Wheel | grinder wheels |
2,749,685 | Jun. 12, 1956 | G. Baldwin | Grinding Wheel | grinder wheels |