| All Patents in class 33/498 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 20,943 | Jul. 20, 1858 | W.O. Fritschler | Carpenter's Rule | folding rules |
| 334,457 | Jan. 19, 1886 | J.D. McCann | Measure for Drafting Garments | marking gauges |
| 354,865 | Dec. 21, 1886 | W.H. Jones | Pocket Rule | folding rules |
| 442,592 | Dec. 09, 1890 | W. Quayle | Bevel | bevels |
| 456,044 | Jul. 14, 1891 | P.J. Mabye | Combination, square and bevel | bevel squares |
| 489,413 | Jan. 03, 1893 | J.E. Duncan | Folding Try Square | try squares |
| 948,777 | Feb. 08, 1910 | U. Tuomi | Combined Square, Level, and Plumb | combination tools |
