| All Patents in class 33/827 |
Patents 1 -
15
of 33
      |
| Number | Date | Patentee | Title | Type |
| 339,410 | Apr. 06, 1886 | A. Heydrich | Adjustable interior-calipers | |
| 367,473 | Aug. 02, 1887 | J. Tickell | Caliper Gage | calipers |
| 368,563 | Aug. 16, 1887 | D.G. Brown | Micrometer Pipe Gage | micrometers |
| 499,035 | Jun. 06, 1893 | A. Pieczka | Pin Gage | measurement gauges |
| 519,541 | May 08, 1894 | H. McBride | Micrometer Gage | micrometers |
| 684,691 | Oct. 15, 1901 | W.E. Jaques | Micrometer Gage | micrometers |
| 726,003 | Apr. 21, 1903 | L.S. Starrett | Inside Micrometer | inside micrometers |
| 746,622 | Dec. 08, 1903 | A.J. Wold | Slip and Shrinkage Gage | bore gages |
| 857,810 | Jun. 25, 1907 | G. Kohlhaas | Hole Micrometer | measurement gauges |
| 874,197 | Dec. 17, 1907 | E. Heym | Micrometer Calipers | inside micrometers |
| 890,590 | Jun. 16, 1908 | A.L. Anderson | Interior Micrometer | inside micrometers |
| 902,738 | Nov. 03, 1908 | L.J. Jones | Centering Device | center finders |
| 919,455 | Apr. 27, 1909 | C.R. Pietsch | Micrometer Gage | inside micrometers |
| 934,692 | Sep. 21, 1909 | H.S. Plant | Micrometer Gage | inside micrometers |
| 1,072,493 | Sep. 09, 1913 | H.S. Plant | Micrometer Gage | micrometers |
