| All Patents in class 33/704 |
Patents 1 -
9
of 9
      |
| Picture | Number | Date | Patentee | Title |
 | 361,056 | Apr. 12, 1887 | A.H. Emery | Micrometer Gage for Internal & External Measurements |
 | 468,519 | Feb. 09, 1892 | R.B. Haines, Jr. | Micrometer Gage |
 | 509,096 | Nov. 21, 1893 | C.W. Preston | Caliper for Measuring Distances |
 | 769,197 | Sep. 06, 1904 | F. Spaulding | Micrometer Calipers |
 | 1,213,134 | Jan. 16, 1917 | M. Fellows | Adjustable Gauge |
| | 1,448,356 | Mar. 13, 1923 | E.J. Bryant | Adjustable Limit Gauge |
| | 1,628,741 | May 17, 1927 | R.A. Holt, P.D. Ritchey | Adjustable Pin Gauge |
 | 3,667,127 | Jun. 06, 1972 | T. Tsugami | Digital Micrometer Caliper |
 | 6,178,658 | Jan. 30, 2001 | S. Koga | Micrometer |
