| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 340/870.31 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 2,081,738 | May 25, 1937 | R.E. Conover | Sizing Device | grinding machines | |
| 2,962,652 | Nov. 29, 1960 | S.L. Spidle (legal representitive), D.P. Youngberg (deceased, estate of), L.J. Bulliet | Position Indicator | ||
| 3,079,548 | Feb. 26, 1963 | K.A. Robinson | Electromechanical Signalling Apparatus | machine tool controls | |
| 5,517,190 | May 14, 1996 | C.N. Gunn | Physical Measurement from changes in Reactance | measurement gauges | |