| All Patents in class 33/499 |
Patents 1 -
10
of 10
      |
| Picture | Number | Date | Patentee | Title |
 | 339,158 | Apr. 06, 1886 | J.A. Finley | Combined square, level, and bevel |
 | 339,287 | Apr. 06, 1886 | C. Gates | Combined plumb, level, and square |
| | 362,354 | May 03, 1887 | W. Boisen | Glass Cutter's Combined Frame and Square |
| | 363,321 | May 17, 1887 | E. Douglas | Folding Square |
 | 716,851 | Dec. 30, 1902 | T.C. Auringer | Combined Bevel and Square |
 | 792,469 | Jun. 13, 1905 | O.M. Seibert | Bevel Square |
 | 1,121,303 | Dec. 15, 1914 | N.E. Smith | Angle Scale Attachment for Folding Rules |
 | 1,251,809 | Jan. 01, 1918 | J. Nash | Adjustable Triangle & Gear Tooth Plotter |
 | 1,277,433 | Sep. 03, 1918 | C.E. Larson | Combination Bevel, Square, and Saw |
 | 1,301,996 | Apr. 29, 1919 | R.H. Barr | Square for Tools |
