| All Patents in class 33/807 |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 191,053 | May 22, 1877 | F.K. Hesse | Gage | calipers |
| 492,886 | Mar. 07, 1893 | H. Gohrt | Measuring Instrument | calipers |
| 607,296 | Jul. 12, 1898 | J.E. Taulman | Calipers & Dividers | calipers |
| 818,906 | Apr. 24, 1906 | V.J. O'Connor | Measuring Instrument | dividers |
| 1,129,699 | Feb. 23, 1915 | C.T. Ludwig | Instrument for Taking Bertillion Measurments | measuring apparatus |
| 1,156,694 | Oct. 12, 1915 | T. Kopinski | Gear Teeth Calipers | indicating calipers |
| 1,264,552 | Apr. 30, 1918 | W.I. Palmer | Divider | dividers |
| 1,264,571 | Apr. 30, 1918 | J.A. Steinhilper | Calipers | indicating calipers |
| 1,269,027 | Jun. 11, 1918 | J. White | Dividers | dividers |
| 1,299,179 | Apr. 01, 1919 | A.S. Harcos | Drawing Instrument | dividers |
| 1,506,704 | Aug. 26, 1924 | J.C. Williamson | Caliper | calipers |
| 1,547,480 | Jul. 28, 1925 | J.C. Williamson | Calipers | indicating calipers |
