| All Patents in class 33/807 |
Patents 1 -
10
of 12
      |
| Picture | Number | Date | Patentee | Title |
 | 191,053 | May 22, 1877 | F.K. Hesse | Gage |
 | 492,886 | Mar. 07, 1893 | H. Gohrt | Measuring Instrument |
 | 607,296 | Jul. 12, 1898 | J.E. Taulman | Calipers & Dividers |
| | 818,906 | Apr. 24, 1906 | V.J. O'Connor | Measuring Instrument |
| | 1,129,699 | Feb. 23, 1915 | C.T. Ludwig | Instrument for Taking Bertillion Measurments |
| | 1,156,694 | Oct. 12, 1915 | T. Kopinski | Gear Teeth Calipers |
| | 1,264,552 | Apr. 30, 1918 | W.I. Palmer | Divider |
| | 1,264,571 | Apr. 30, 1918 | J.A. Steinhilper | Calipers |
| | 1,269,027 | Jun. 11, 1918 | J. White | Dividers |
| | 1,299,179 | Apr. 01, 1919 | A.S. Harcos | Drawing Instrument |
