| All Patents in class 33/483 |
Patents 1 -
10
of 13
      |
| Picture | Number | Date | Patentee | Title |
 | 20,055 | Apr. 27, 1858 | T. Fisher | Ruler |
 | 52,453 | Feb. 06, 1866 | G.W. Schramm | Flexible Ruler |
 | 53,961 | Apr. 17, 1866 | R.N. Eagle | Ruler |
 | 68,605 | Sep. 10, 1867 | D.W. Clegg | Counting-House Ruler |
 | 73,082 | Jan. 07, 1868 | S. Darling | Straight Edge |
 | 149,321 | Apr. 07, 1874 | E.T. Lufkin | Improvement in Board Measures |
 | 267,481 | Nov. 14, 1882 | C.L. Bellamy | Centering, Bevel, and Try Square |
 | 428,890 | May 27, 1890 | J. Carr | Key Seat Ruler |
 | 431,568 | Jul. 08, 1890 | H. Esser | Measuring-Scale |
 | 442,020 | Dec. 02, 1890 | S. Darling | Vernier Scale |
