| All Patents in class 33/27.033 |
Patents 1 -
15
of 16
      |
| Number | Date | Patentee | Title | Type |
| 306,278 | Oct. 07, 1884 | E. Patch | Beam Compass | trammels |
| 336,868 | Feb. 23, 1886 | G.M. Pratt | Dividers | dividers |
| 337,531 | Mar. 09, 1886 | J. Stevens | Calipers and Dividers | dividers |
| 349,840 | Sep. 28, 1886 | F.N. Gardner | Drafting Compass | compasses |
| 426,001 | Apr. 22, 1890 | H.W. Evans | Combined Square, Level & Surface Gage | squares |
| 487,892 | Dec. 13, 1892 | W.S. Robinson | Beam Compass | trammels |
| 494,475 | Mar. 28, 1893 | M.E. Gladfelter | Beam Compass | trammels |
| 497,802 | May 23, 1893 | E. Lindner | Combined Trammel & Calipers | trammels |
| 499,999 | Jun. 20, 1893 | J.H. Hurley | Beam Compass | trammels |
| 522,053 | Jun. 26, 1894 | W.H. Gates | Trammel | trammels |
| 617,462 | Jan. 10, 1899 | W.W. Davis | Combination tool | combination tools |
| 653,640 | Jul. 10, 1900 | G.H. Butrick | Combination Measuring Instrument | measurement gauges |
| 707,723 | Aug. 26, 1902 | F.A. Robbins | Combination Tool | surface gages |
| 718,923 | Jan. 20, 1903 | J.F. Ellsworth | Beam Compass | trammels |
| 764,937 | Jul. 12, 1904 | S. Friedman | Machinist's Combination Tool | measuring calipers |
