| All Patents in class 33/332 |
Patents 1 -
15
of 29
      |
| Number | Date | Patentee | Title | Type |
| 51,767 | Dec. 26, 1865 | S. Whelan | Combination Calipers and Trammels | calipers |
| 98,106 | Dec. 21, 1869 | J. Potts | Improvement in combined square and caliper | squares |
| 160,471 | Mar. 02, 1875 | J.J. Robinson | Improvement in Stair-Builders' Rules | measuring rods |
| 215,024 | May 06, 1879 | L.S. Starrett | Try Square | try squares |
| RE9,419 | Oct. 19, 1880 | L.S. Starrett | Try Square | try squares |
| 267,655 | Nov. 14, 1882 | W.C. Vajen | Plumb Bob | plumb bobs |
| 316,530 | Apr. 28, 1885 | E. Hardin, J.L. Downie | Line Chalker and Plumb Bob | plumb bobs |
| 323,826 | Aug. 04, 1885 | J. Madden, W.J. Osborn | Shaft Liner | special purpose gauges |
| 329,156 | Oct. 27, 1885 | W. Ford | Combination Square and Gage | bevel squares |
| 339,682 | Apr. 13, 1886 | A. Nilsen | Square and protractor for builders' use | carpenter squares |
| 360,213 | Mar. 29, 1887 | W.T. Farrell | Gage for Moldings | marking gauges |
| 369,547 | Sep. 06, 1887 | G. Nicolescu | Combined Try Square, Surface Gage, and Level | machinist levels |
| 389,647 | Sep. 18, 1888 | J.A. Traut, G.F. Hall | "Odd Jobs" Layout Tool | rule attachments |
| 426,001 | Apr. 22, 1890 | H.W. Evans | Combined Square, Level & Surface Gage | squares |
| 439,458 | Oct. 28, 1890 | R.E. Woodruff | Combined Rule, Square, Bevel, Scribe-Gage, Spirit Level, and Dividers | bevels |
