| All Patents in class 33/818 |
Patents 16 -
30
of 45
      |
| Number | Date | Patentee | Title | Type |
| 1,288,788 | Dec. 24, 1918 | A. Zimmermann | Micrometer | micrometers |
| 1,300,692 | Apr. 15, 1919 | L.C. Blomstrom | Screw Thread Micrometer | micrometers |
| 1,315,318 | Sep. 09, 1919 | S.E. Maddison, Administratrix, W. Maddison, deceased (Estate of) | Micrometer Gage | micrometers |
| 1,349,612 | Aug. 17, 1920 | F.O. Jaques, Sr. | Micrometer Caliper | micrometers |
| 1,388,739 | Aug. 23, 1921 | F.H. Miller | Micrometric Indicator | micrometers |
| 1,391,016 | Sep. 20, 1921 | H.R. Slider, W.T. Slider | Micrometer | micrometers |
| 1,419,004 | Jun. 06, 1922 | C.C. Allen | Gauge | micrometers |
| 1,435,025 | Nov. 07, 1922 | F.R. Sommer | Micrometer Adjustment | measurement gauges |
| 1,440,824 | Jan. 02, 1923 | J.H. Fulmer | Micrometer Caliper | micrometers |
| 1,512,823 | Oct. 21, 1924 | P.J. Darlington | Micrometer Caliper | micrometers |
| 1,533,787 | Apr. 14, 1925 | L.C. Crescio | Multiple Standard Micrometer | micrometers |
| 1,564,857 | Dec. 08, 1925 | O.V. Karlsson | Micrometer | micrometers |
| 1,570,831 | Jan. 26, 1926 | C.E. Whitney, Executor, E.A. Hanson, Executor, B.M. Hanson, deceased (Estate of) | Measuring Device | micrometer attachments |
| 1,573,347 | Feb. 16, 1926 | P.C. Labasse | Caliper | micrometers |
| 1,589,462 | Jun. 22, 1926 | A. De Ghetto | Attachment for Micrometers | micrometers |
