| All Patents in class 33/27.02 |
Patents 1 -
15
of 32
      |
| Number | Date | Patentee | Title | Type |
| 70,840 | Nov. 12, 1867 | W.G. Hillegass | Improvement in Pencil-Holders for Compasses | dividers |
| 72,433 | Dec. 17, 1867 | O.E. Weatherhead | Divider | dividers |
| 96,366 | Nov. 02, 1869 | C.L. Tyler | Pencil Attachment to Compass | compasses |
| 119,875 | Oct. 10, 1871 | C.M. Nichols | Divider | dividers |
| 140,081 | Jun. 17, 1873 | W. Schollhorn | Improvement in pencil attachments | dividers |
| 146,189 | Jan. 06, 1874 | I. Kinney | Curve Scribers | dividers |
| 181,331 | Aug. 22, 1876 | A. Gruber | Improvement in Dividers | dividers |
| 227,578 | May 11, 1880 | C.F. Reimann | Divider | dividers |
| 245,629 | Aug. 16, 1881 | T. Hagerty | Instrument for Cutting Washers | knives and cutters |
| 257,413 | May 02, 1882 | M. Toulmin | Divider | dividers |
| 288,235 | Nov. 13, 1883 | H. Hanstein | Attachment to Dividers | dividers |
| 314,625 | Mar. 31, 1885 | O. Stoddard | Calipers and Dividers | calipers |
| 341,081 | May 04, 1886 | E. Weissenborn | Compass Attachment for Pencils | compasses |
| 377,867 | Feb. 14, 1888 | J. Stevens | Draftsman's Compass | compasses |
| 385,822 | Jul. 10, 1888 | F.E. Nutting | Combined Square, Rule, Calipers, and Dividers | folding rules |
