| All Patents in class 33/423 |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| 485,456 | Nov. 01, 1892 | T.R. Cook | Combined Try Square and Bevel | try squares |
| 518,103 | Apr. 10, 1894 | L.M. Hodge | Measuring Instrument | carpenter squares |
| 708,533 | Sep. 09, 1902 | A.C. Cullmann | Bevel and Square | |
| 821,115 | May 22, 1906 | M. Nichols | Attachment for Squares | miter squares |
| 825,150 | Jul. 03, 1906 | R.L. McCartney | Attachment for Carpenters' Squares | squares |
| 842,999 | Feb. 05, 1907 | A.O. Calhoon | Rafter and Polygon Bevel | carpenter squares |
| 1,084,973 | Jan. 20, 1914 | W.E. Smith, G.E. Stanwood | Try, Rafter, and Miter Square | carpenter squares |
| 1,091,978 | Mar. 31, 1914 | L. Spies | Bevel-Square | bevels |
| 1,126,310 | Jan. 26, 1915 | L. Spies | Bevel-Square | bevels |
| 1,237,721 | Aug. 21, 1917 | H.M. Stanley | Bevel Gauge & Protractor | bevels |
| 1,342,232 | Jun. 01, 1920 | H.W. Scott | Combination Roof Framing Tool | |
| 1,983,516 | Dec. 11, 1934 | H. Ahola | Combined Protractor, Bevel Gauge, and Mitering Square | bevels |
| 2,173,348 | Sep. 19, 1939 | . | Saw | |
