| All Patents in class 33/27.01 |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 463,212 | Nov. 17, 1891 | A.C. Fowler | Combination Rule, Square, and Circle-Marker | graduated rules |
| 637,263 | Nov. 21, 1899 | A.E. Jacobs | Reproducing device | specialty woodworking machines |
| 754,906 | Mar. 15, 1904 | T.R. Skinner | Dividers | dividers |
| 1,427,493 | Aug. 29, 1922 | F.H. Murray | Arc-Describing Instrument | compasses |
| 1,462,101 | Jul. 17, 1923 | E.G. Colson | Tool | clamps |
| 2,062,494 | Dec. 01, 1936 | R.G. Anderson, J.Y. Blazek | Cylinder boring device | vehicle mechanic |
| 2,698,484 | Jan. 04, 1955 | C.R. Zern, F. Schwarzer | Rule Trammel | rule accessories |
| 2,817,902 | Dec. 31, 1957 | E.L. Allman, Sr. | Adjustable Tool Holder | metalworking machine tool holders |
| 2,860,415 | Nov. 18, 1958 | E. Danilow | Layout Gage | measurement gauges |
