| All Patents in class 377/3 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 2,311,142 | Feb. 16, 1943 | F. Turrettini | Precision Machine Tool | metalworking machines |
| 2,685,082 | Jul. 27, 1954 | W.D. Caldwell, W.W. Beman | Position Indicating Device | special purpose gauges |
| 2,748,665 | Jun. 05, 1956 | J.A. Sean | Machine Tool Positioning Mechanism | metalworking machine mechanisms |
| 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 |
| 3,142,121 | Jul. 28, 1964 | B. Stefanov | Micrometer | micrometers |
| 4,266,120 | May 05, 1981 | R. Johnstone | Unmanned Machining Center With Tool Checking | numerically controlled milling machines |
