| All Patents in class 33/501.05 |
Patents 1 -
10
of 23
      |
| Picture | Number | Date | Patentee | Title |
 | 297,602 | Apr. 29, 1884 | T. Hooker | Micrometer |
 | 379,361 | Mar. 13, 1888 | D.H. James, F.J. Brown | Extension Gage |
 | 1,019,400 | Mar. 05, 1912 | V. Langsdon, L.W. Zuegner | Universal Test Indicator |
 | 1,238,714 | Aug. 28, 1917 | C. Miller | Work Gage |
 | 1,351,663 | Aug. 31, 1920 | J.R. Koch | Gage |
 | 1,364,534 | Jan. 04, 1921 | F.L. Walter | Gage |
 | 1,456,938 | May 29, 1923 | A.W. Schoof | Instument for Testing and Comparing the Lead of a Screw Thread |
| | 1,533,369 | Apr. 14, 1925 | B.H. Blood | Thread Gauge Construction |
| | 1,563,046 | Nov. 24, 1925 | J.E. Sears, Jr., A.J. Brookes | Method of and Apparatus for Measurement and/or Standardization |
 | 1,740,695 | Dec. 24, 1929 | C.E. Johansson | Gauge |
