| All Patents in class 33/27.032 |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 60,315 | Dec. 04, 1866 | B. Worcester | Improvement in Scale Pencils | marking gauges |
| 230,127 | Jul. 20, 1880 | W. Goodwin | Carpenter's Gage | marking gauges |
| 242,895 | Jun. 14, 1881 | L.K. Derby | Beam Compass | trammels |
| 314,316 | Mar. 24, 1885 | T.G. Christian | Draftsman's Tool | trammels |
| 329,892 | Nov. 10, 1885 | J.C. Eckert | Combined Gage and Center Square | center squares |
| 416,719 | Dec. 10, 1889 | W.G. Curtis | Combined Drawing and Measuring Instrument | folding rules |
| 497,802 | May 23, 1893 | E. Lindner | Combined Trammel & Calipers | trammels |
| 517,696 | Apr. 03, 1894 | W.B. Hunter | Beam Compass | trammels |
| 651,037 | Jun. 05, 1900 | C.R. Hawkins | Combination Tool of Precision | squares |
| 653,640 | Jul. 10, 1900 | G.H. Butrick | Combination Measuring Instrument | measurement gauges |
| 677,339 | Jul. 02, 1901 | E.M. Comstock | Center Punch and Gage | punches |
| 2,209,250 | Jul. 23, 1940 | P. Manthey | Scribing Trammel for Striaght and Curved Lines | marking gauges |
