| All Patents in class 33/815 |
Patents 16 -
30
of 34
      |
| Number | Date | Patentee | Title | Type |
| 1,477,935 | Dec. 18, 1923 | E.G. Berg | Adjustable Nut for Micrometers | micrometers |
| 1,638,366 | Aug. 09, 1927 | H. Sandoz | Micrometer | micrometers |
| 2,009,519 | Jul. 30, 1935 | E.H. Reed | Micrometer Caliper | micrometers |
| 2,075,754 | Mar. 30, 1937 | A.E. Williams | Adjustable Spring Ratchet for Micrometer Spindles | micrometers |
| 2,267,332 | Dec. 23, 1941 | A.G. Hagstrom | Direct Reading Positive Measuring Micrometer Gauge | micrometers |
| 2,294,831 | Sep. 01, 1942 | R.W. Carson | Apparatus for Making Very Fine Measurments | measurement gauges |
| 2,463,261 | Mar. 01, 1949 | C.F. Goodspeed | Micrometer Head | micrometers |
| 2,472,126 | Jun. 07, 1949 | H.S. Robinson | Micrometer Caliper | micrometers |
| 2,545,782 | Mar. 20, 1951 | A.C. Hugin | Micrometric Insulation Tester | measurement gauges |
| 2,624,121 | Jan. 06, 1953 | M. Knobel | Micrometer Measuring Device | micrometers |
| 2,624,122 | Jan. 06, 1953 | M. Knobel | Inspection Gauge | measurement gauges |
| 2,665,490 | Jan. 12, 1954 | C. Zelnick | Micrometer Gauge | micrometers |
| 2,805,483 | Sep. 10, 1957 | C. Zelnick | Micrometer gauges | measurement gauges |
| 2,835,979 | May 27, 1958 | W.P. Metevia | Micrometer Nut and Binder Assembly | micrometers |
| 4,553,330 | Nov. 19, 1985 | Y. Karahashi, M. Yamauchi | Micrometer | micrometers |
