| All Patents in class 33/801 |
Patents 16 -
30
of 34
      |
| Number | Date | Patentee | Title | Type |
| 745,229 | Nov. 24, 1903 | W.A. McDonald | Calipers | calipers |
| 763,913 | Jun. 28, 1904 | J.T. Lemon | Calipers | measuring calipers |
| 901,653 | Oct. 20, 1908 | M.S. Shapleigh | Self Registering Gage | indicating calipers |
| 924,073 | Jun. 08, 1909 | J.S. Hughs | Calipers | indicating calipers |
| 942,529 | Dec. 07, 1909 | A.H. Gleason, G.T. Young | Calipers | indicating calipers |
| 1,006,660 | Oct. 24, 1911 | R.C. Keppie | Micrometer Calipers | indicating calipers |
| 1,171,040 | Feb. 08, 1916 | W.B. George | Calipers and Similar Tool | indicating calipers |
| 1,243,343 | Oct. 16, 1917 | J.H. Roberts | Combination Tool | rules |
| 1,245,148 | Oct. 30, 1917 | E. Kraule | Calipers | indicating calipers |
| 1,269,336 | Jun. 11, 1918 | A.O. Taylor | Calipers | indicating calipers |
| 1,299,978 | Apr. 08, 1919 | S.C. MacDowney | Measuring Instrument | calipers |
| 1,334,955 | Mar. 30, 1920 | F.G. Sjökvist, C.E. Johansson | Indicating Device for Measuring Apparatus and Measuring Tools | indicating calipers |
| 1,351,804 | Sep. 07, 1920 | K.E. Solberg | Measuring Calipers | indicating calipers |
| 1,410,189 | Mar. 21, 1922 | R. Johnson | Calipers, Spring-Calipers and the Like | calipers |
| 1,454,130 | May 08, 1923 | C.H. Merritt | Measuring Instrument | measuring calipers |
