| All Patents in class 33/829 |
Patents 1 -
15
of 24
      |
| Number | Date | Patentee | Title | Type |
| 375,688 | Dec. 27, 1887 | G. Whitehead | Micrometer Gage | micrometers |
| 533,872 | Feb. 12, 1895 | O.J. Ebert | Micrometer Calipers | micrometers |
| 536,859 | Apr. 02, 1895 | O.J. Ebert | Micrometer | micrometers |
| 639,560 | Dec. 19, 1899 | B.M. Hanson | Caliper Attachment | measurement gauges |
| 643,080 | Feb. 06, 1900 | J. Boulet | Gear Tooth Calipers | measurement gauges |
| 734,784 | Jul. 28, 1903 | F.O. Wells | Micrometer Gage | micrometers |
| 841,271 | Jan. 15, 1907 | J. Rau | Micrometer | inside micrometers |
| 919,477 | Apr. 27, 1909 | E.R. Seward | Gage | thread gages |
| 1,074,552 | Sep. 30, 1913 | G.P. Kline | Attachment for Micrometer Calipers | micrometer attachments |
| 1,174,052 | Mar. 07, 1916 | H.L. Burdick | Micrometer | micrometer attachments |
| 1,291,211 | Jan. 14, 1919 | J.T. Slocomb | Thread Micrometer | micrometers |
| 1,300,692 | Apr. 15, 1919 | L.C. Blomstrom | Screw Thread Micrometer | micrometers |
| 1,336,189 | Apr. 06, 1920 | A. Bechler | Gauge for Screw Threads | special purpose gauges |
| 1,392,313 | Oct. 04, 1921 | G.S. Fallow | Screw Thread Gage | special purpose gauges |
| 1,797,121 | Mar. 17, 1931 | F.J. Bohn | Micrometer Gage for Internal Threads | micrometers |
