| All Patents in class 33/801 |
Patents 1 -
15
of 34
      |
| Number | Date | Patentee | Title | Type |
| 37,531 | Jan. 27, 1863 | D.C. Talbot | Improvement in Calipers | calipers |
| 41,387 | Jan. 26, 1864 | W.A. Morse | Improvement in Calipers | calipers |
| 43,854 | Aug. 16, 1864 | C. Jillson | Combination Calipers and Dividers | calipers |
| 45,529 | Dec. 20, 1864 | R.D. Smith | Improvement in Calipers | calipers |
| 45,894 | Jan. 10, 1865 | F.O. Washburn | Improvement in Calipers | calipers |
| 48,257 | Jun. 20, 1865 | C.E. Brown | Improvement in Calipers | calipers |
| 51,517 | Dec. 12, 1865 | B.G. Martin | Combination Calipers and Level | calipers |
| 78,591 | Jun. 02, 1868 | C.W. Guerrant | Combined Square & Calipers | calipers |
| 311,248 | Jan. 27, 1885 | S.A. Jellett | Calipers | calipers |
| 466,986 | Jan. 12, 1892 | G.C. Van Roden | Calipers for Bracelets | calipers |
| 634,968 | Oct. 17, 1899 | G.M. Van Valkeburg | Caliper Gage | calipers |
| 654,370 | Jul. 24, 1900 | O.J. Wahrer | Calipers | calipers |
| 673,944 | May 14, 1901 | J.G. Doty | Measuring Instrument | calipers |
| 703,109 | Jun. 24, 1902 | R. Barr | Combination Measuring Instrument | measuring calipers |
| 713,096 | Nov. 11, 1902 | J.O. Hess | Combination Tool | measurement gauges |
