| All Patents in class 33/558.1 |
Patents 1 -
15
of 35
      |
| Number | Date | Patentee | Title | Type |
| 7,689 | Oct. 01, 1850 | W.W. Smith | Spring Calipers | |
| 32,410 | May 28, 1861 | J.H. Call | Calipers | calipers |
| 61,799 | Feb. 05, 1867 | H.A. Boardman | Improvement in Calipers | calipers |
| 99,698 | Feb. 08, 1870 | G.W. Hadley, T.C. Page | Improvement in Calipers | calipers |
| 110,657 | Jan. 03, 1871 | W.P. Hopkins | Improvement in Calipers | calipers |
| 164,209 | Jun. 08, 1875 | J.H. Potts | Improvement in Adjustable Mechanisms for Dividers, Compasses and Calipers | calipers |
| 228,958 | Jun. 15, 1880 | W.H. Warren | Calipers and Dividers | calipers |
| 229,619 | Jul. 06, 1880 | J.D. Litle | Dividing-Compass | dividers |
| 275,403 | Apr. 10, 1883 | J. Neimeyer | Compass | compasses |
| 288,961 | Nov. 20, 1883 | O.D. Warfield | Calipers | calipers |
| 310,292 | Jan. 06, 1885 | F.G. Lilja | Calipers | calipers |
| 315,621 | Apr. 14, 1885 | I.L. Holmes | Adustable Stop for Calipers | calipers |
| 319,215 | Jun. 02, 1885 | C.P. Fay | Spring Calipers | gauges |
| 332,244 | Dec. 15, 1885 | E.S. Field | Spring Calipers | calipers |
| 335,740 | Feb. 09, 1886 | J.H. Bullard | Calipers | calipers |
