| Patents for Malcolm K. Parkhurst |
Patents 1 -
9
of 9
      |
| Picture | Number | Date | Patentee | Title |
| | 1,713,239 | May 14, 1929 | M.K. Parkhurst | Toolmaker's Clamp |
| | 1,769,711 | Jul. 01, 1930 | M.K. Parkhurst | Universal Bevel |
 | 1,794,340 | Feb. 24, 1931 | M.K. Parkhurst | Optical Measuring Device |
| | 1,794,341 | Feb. 24, 1931 | M.K. Parkhurst | Optical Measuring Device |
| | 1,803,284 | Apr. 28, 1931 | J.W. Parker, M.K. Parkhurst | Measuring Gauge |
| | 1,840,276 | Jan. 05, 1932 | M.K. Parkhurst | Micrometer Caliper |
| | 1,845,437 | Feb. 16, 1932 | M.K. Parkhurst | Measuring Device |
| | 1,845,438 | Feb. 16, 1932 | M.K. Parkhurst | Clamp Block |
| | 1,857,088 | May 03, 1932 | M.K. Parkhurst | Measuring Machine |
