| All Patents in class 33/499 |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 339,158 | Apr. 06, 1886 | J.A. Finley | Combined square, level, and bevel | bevel squares |
| 339,287 | Apr. 06, 1886 | C. Gates | Combined plumb, level, and square | levels |
| 362,354 | May 03, 1887 | W. Boisen | Glass Cutter's Combined Frame and Square | glass cutters |
| 363,321 | May 17, 1887 | E. Douglas | Folding Square | carpenter squares |
| 716,851 | Dec. 30, 1902 | T.C. Auringer | Combined Bevel and Square | bevel squares |
| 1,121,303 | Dec. 15, 1914 | N.E. Smith | Angle Scale Attachment for Folding Rules | rule attachments |
| 1,251,809 | Jan. 01, 1918 | J. Nash | Adjustable Triangle & Gear Tooth Plotter | special purpose gauges |
| 1,277,433 | Sep. 03, 1918 | C.E. Larson | Combination Bevel, Square, and Saw | combination saws |
| 1,301,996 | Apr. 29, 1919 | R.H. Barr | Square for Tools | |
