| All Patents in class 29/DIG.88 |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 405,706 | Jun. 25, 1889 | E.R. Hyde | Surface Grinding or Planing Machine | surface grinders |
| 1,093,581 | Apr. 14, 1914 | A.J. Baker | Means Increasing Cutter Efficiency | milling machine cutters |
| 1,187,302 | Jun. 13, 1916 | G. Gorton | Means for Increasing Cutter Efficiency | metal cutting circular saw blades |
| 1,261,156 | Apr. 02, 1918 | C.H. Norton | Belt Drive for Grinding Machines | |
| 1,689,176 | Oct. 23, 1928 | H.K. Spencer | Grinding Machine | surface grinders |
| 1,710,913 | Apr. 30, 1929 | J.B. Armitage | Machine Tool Organization | milling machines |
| 1,733,090 | Oct. 22, 1929 | H.W. Holmes | Centerless Grinder | grinding machines |
| 2,384,225 | Sep. 04, 1945 | J.C. Wilson | Method and Apparatus for Maintaining Uniform Temperature of Diverse Fluids in a Machine Tool | metalworking machine mechanisms |
