| Patents for Malcolm K. Parkhurst |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 1,713,239 | May 14, 1929 | M.K. Parkhurst | Toolmaker's Clamp | hand screws |
| 1,769,711 | Jul. 01, 1930 | M.K. Parkhurst | Universal Bevel | |
| 1,794,340 | Feb. 24, 1931 | M.K. Parkhurst | Optical Measuring Device | measurement gauges |
| 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 | |
