| Patents for Heald Machine Co. |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 734,863 | Jul. 28, 1903 | L.S. Heald, J.N. Heald | Sash-trimming machine | miter machines |
| 810,426 | Jan. 23, 1906 | R.L. Morgan, J.N. Heald | Grinding-machine | surface grinders |
| 817,866 | Apr. 17, 1906 | M.E. McAfee | Sash-trimming machine | miter machines |
| 1,210,280 | Dec. 26, 1916 | A.M. Drake | Adjustable shaft-bearing | industrial machine bearings |
| 1,213,167 | Jan. 23, 1917 | A.M. Drake | Magnetic chuck and casing | magnetic chucks |
| 1,223,155 | Apr. 17, 1917 | A.M. Drake | Table driving and feeding mechanism for grinding machines | grinders |
| 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 | grinding machines |
| 1,583,351 | May 04, 1926 | A. Turner, J.N. Heald | Grinding Machine | surface grinders |
| 1,695,759 | Dec. 18, 1928 | P. Conradson | Grinding Machine | grinding machines |
| RE17,477 | Nov. 05, 1929 | A. Turner, J.N. Heald | Grinding machine | surface grinders |
| 2,903,116 | Sep. 08, 1959 | W.F. Jessup, F.A. Hohler | Conveying and Banking Track | workpiece changers and storage mechanisms |
