| All Patents in class 33/483 |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| 20,055 | Apr. 27, 1858 | T. Fisher | Ruler | rules |
| 52,453 | Feb. 06, 1866 | G.W. Schramm | Flexible Ruler | rules |
| 53,961 | Apr. 17, 1866 | R.N. Eagle | Ruler | rules |
| 68,605 | Sep. 10, 1867 | D.W. Clegg | Counting-House Ruler | rules |
| 73,082 | Jan. 07, 1868 | S. Darling | Straight Edge | graduated rules |
| 149,321 | Apr. 07, 1874 | E.T. Lufkin | Improvement in Board Measures | lumber rules |
| 267,481 | Nov. 14, 1882 | C.L. Bellamy | Centering, Bevel, and Try Square | special purpose gauges |
| 428,890 | May 27, 1890 | J. Carr | Key Seat Ruler | rule attachments |
| 431,568 | Jul. 08, 1890 | H. Esser | Measuring-Scale | rule graduations |
| 442,020 | Dec. 02, 1890 | S. Darling | Vernier Scale | |
| 825,934 | Jul. 17, 1906 | E.R. Pierson | Ruler | rules |
| 942,583 | Dec. 07, 1909 | W.L. Neeld | Rule | folding rules |
| 1,308,765 | Jul. 08, 1919 | G.C. Powell | Level | levels |
