| All Patents in class 250/237G |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 2,375,665 | May 08, 1945 | M. Koulicovitch | Electric Devive for Signaling the Position of a Movable Mark | |
| 2,406,299 | Aug. 20, 1946 | M. Koulicovitch | Machine Tool with Photoelectric Positioning of the Work Table | metalworking machines |
| 2,416,968 | Mar. 04, 1947 | F. Turrettini | Stroboscopic Device for Determining Electrically the Position of an Object | |
| 2,788,519 | Apr. 09, 1957 | W.D. Caldwell | Position Indicating Device | measurement gauges |
| 2,886,717 | May 12, 1959 | G.S. Walker, A.T. Sheperd, D.T. Williamson | Measuring Apparatus | measurement gauges |
| 4,103,427 | Aug. 01, 1978 | R.E. Ledley, III | Electronic Digital Micrometer | micrometers |
