| All Patents in class 33/555.1 |
Patents 1 -
8
of 8
      |
| Picture | Number | Date | Patentee | Title |
 | 470,912 | Mar. 15, 1892 | W.F. Durand | Calipers |
 | 1,825,987 | Oct. 06, 1931 | E.J. Witchger | Radius gauge |
| | 2,671,272 | Mar. 09, 1954 | J.J. Bishop | Dial Snap Gauge |
| | 2,801,475 | Aug. 06, 1957 | F. Meyer, Jr. | Gage for Measuring Circumambient Surfaces |
| | 3,186,096 | Jun. 01, 1965 | G. Bishop | Gauge units for machine tools |
 | 3,648,377 | Mar. 14, 1972 | F.W. Witzke | Sling Roundness Gage |
 | 5,343,624 | Sep. 06, 1994 | D.A. Symons | Measurement Tool |
| | 6,044,571 | Apr. 04, 2000 | D.S. Strait | Bore Measurement Apparatus and Method |
