| All Patents in class 33/342 |
Patents 16 -
30
of 44
      |
| Number | Date | Patentee | Title | Type |
| 651,037 | Jun. 05, 1900 | C.R. Hawkins | Combination Tool of Precision | squares |
| 706,095 | Aug. 05, 1902 | E. Oehrle | Combination Square and Protractor | squares |
| 726,973 | May 05, 1903 | J.D. McKinnon | Combination Tool | |
| RE12,119 | Jun. 09, 1903 | E. Oehrle | Combination Square and Protractor | protractors |
| 740,742 | Oct. 06, 1903 | J.F. Bush | Rule | wooden levels |
| 742,077 | Oct. 20, 1903 | O. Sovelius | Axle or Shaft Marker | punches |
| 772,289 | Oct. 11, 1904 | E. Newman | Measuring Stick | measuring rods |
| 778,808 | Dec. 27, 1904 | L.S. Starrett | Combined Square and Bevel Protractor | |
| 786,824 | Apr. 11, 1905 | R.C. Lynn | Square | try squares |
| 825,217 | Jul. 03, 1906 | S.E. Hodge, E.N. Hull | Combination square, level, bevel, and compass | bevels |
| 825,760 | Jul. 10, 1906 | J.L. Russell | Liquid Level | levels |
| 842,999 | Feb. 05, 1907 | A.O. Calhoon | Rafter and Polygon Bevel | carpenter squares |
| 868,343 | Oct. 15, 1907 | M. Hunt | Combination Plane, Level, and Clapboard Gage | clapboard markers |
| 878,507 | Feb. 11, 1908 | J.M. Coghlan | Opticians Measuring Instrument | optician |
| 966,321 | Aug. 02, 1910 | J.H. Dunstan | Combination Tool | combination saws |
