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