| Patents for Heald Machine Co. |
Patents 1 -
10
of 10
      |
| Picture | Number | Date | Patentee | Title |
 | 734,863 | Jul. 28, 1903 | L.S. Heald, J.N. Heald | Sash-trimming machine |
 | 810,426 | Jan. 23, 1906 | R.L. Morgan, J.N. Heald | Grinding-machine |
 | 817,866 | Apr. 17, 1906 | M.E. McAfee | Sash-trimming machine |
 | 1,210,280 | Dec. 26, 1916 | A.M. Drake | Adjustable shaft-bearing |
 | 1,213,167 | Jan. 23, 1917 | A.M. Drake | Magnetic chuck and casing |
 | 1,223,155 | Apr. 17, 1917 | A.M. Drake | Table driving and feeding mechanism for grinding machines |
| | 1,285,159 | Nov. 19, 1918 | J.N. Heald | Grinding Machine |
 | 1,301,937 | Apr. 29, 1919 | J.N. Heald, A.M. Drake | Belt-tightener |
| | 1,695,759 | Dec. 18, 1928 | P. Conradson | Grinding Machine |
| | 2,903,116 | Sep. 08, 1959 | F.A. Hohler, W.F. Jessup | Conveying and Banking Track |
