| All Patents in class 33/DIG.2 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 1,954,442 | Apr. 10, 1934 | H. Ernst, A.H. Dall | Grinding Machine | grinding machines |
| 1,993,830 | Mar. 12, 1935 | R.E. Conover | Grinding Machine | grinding machines |
| 2,775,818 | Jan. 01, 1957 | F. Meyer, Jr. | Fluid Gage Apparatus | pneumatic measuring gauges |
| 2,801,475 | Aug. 06, 1957 | F. Meyer, Jr. | Gage for Measuring Circumambient Surfaces | special measuring tools |
| 3,037,332 | Jun. 05, 1962 | G.S. Butterworth, J.G. Wiatt | Machine Tool Sizing Device | electronic gauges |
| 4,326,338 | Apr. 27, 1982 | R.A. Plante | Area Comparison Gage | limit gages |
