| All Patents in class 33/455 |
Patents 1 -
15
of 20
      |
| Number | Date | Patentee | Title | Type |
| 79,069 | Jun. 23, 1868 | C.O. Hansen | Improvement in Bevel Squares | bevels |
| 91,385 | Jun. 15, 1869 | M.J. Trowbridge | Centre Square | special purpose gauges |
| 316,341 | Apr. 21, 1885 | J.W. Doubler | Bevel | bevels |
| 60,646 | Dec. 18, 1886 | P.A. Snyder | Angle Divider | bevels |
| 361,243 | Apr. 12, 1887 | J. Struble | Bevel | bevel squares |
| 451,810 | May 05, 1891 | C.D. Cowgill | Bevel Attachment for Folding Rules | rule attachments |
| 518,685 | Apr. 24, 1894 | L.K. Bartley | Adjustable Angle-Square | bevels |
| 521,414 | Jun. 12, 1894 | J.T. Langlais | Bevel | bevels |
| 541,514 | Jun. 25, 1895 | A.J. Walker | Combined Bevel, Miter, and Square | bevels |
| 642,566 | Jan. 30, 1900 | A.C. Smith | Combined Set Square and Bevel | bevels |
| 684,367 | Oct. 08, 1901 | J.J. Green | Bevel square | bevels |
| 742,528 | Oct. 27, 1903 | J.A. Traut | Angle Divider | bevels |
| 797,453 | Aug. 15, 1905 | H.W. Nagel | Adjustable Square, Angle Divider and Square | bevels |
| 802,083 | Oct. 17, 1905 | C.B. Parnell | Bevel Square | |
| 963,274 | Jul. 05, 1910 | W. Bundy | Geometrical Miter Square | |
