| All Patents of Type: calipers |
Patents 16 -
30
of 245
      |
| Number | Date | Patentee | Title | Type |
| 45,894 | Jan. 10, 1865 | F.O. Washburn | Improvement in Calipers | calipers |
| 48,257 | Jun. 20, 1865 | C.E. Brown | Improvement in Calipers | calipers |
| 49,337 | Aug. 08, 1865 | N.H. Bundy | Combination Tool | calipers |
| 51,517 | Dec. 12, 1865 | B.G. Martin | Combination Calipers and Level | calipers |
| 51,767 | Dec. 26, 1865 | S. Whelan | Combination Calipers and Trammels | calipers |
| 51,967 | Jan. 09, 1866 | W. Schollhorn, F.P. Pfleghar | Improvement in Compasses and Calipers | calipers |
| 57,588 | Aug. 28, 1866 | P. Soper | Improvement in Calipers | calipers |
| 61,799 | Feb. 05, 1867 | H.A. Boardman | Improvement in Calipers | calipers |
| 61,902 | Feb. 05, 1867 | A.V. Westervelt | Improvement in Calipers | calipers |
| 63,656 | Apr. 09, 1867 | S. Sawyer | Improvement in Dividers and Calipers | calipers |
| 64,203 | Apr. 30, 1867 | J.H. Culver | Improvement in Calipers | calipers |
| 64,240 | Apr. 30, 1867 | G.L. McKnight | Improvement in Dividers and Calipers | calipers |
| 65,253 | May 28, 1867 | G.L. McKnight | Calipers | calipers |
| 65,631 | Jun. 11, 1867 | D.A. Bailey | Improvement in Combination Squares | squares |
| 67,360 | Jul. 30, 1867 | L. Shelters | Caliper & Divider | calipers |
