| All Patents in class 33/532 |
Patents 1 -
15
of 20
      |
| Number | Date | Patentee | Title | Type |
| 49,073 | Aug. 01, 1865 | M. Bowker | Improved Conical Turning Gage | special purpose gauges |
| 56,164 | Jul. 10, 1866 | W.N. Bereley | Improved Tool for Adjusting Lathes to Turn Tapered Shafts | metal lathe accessories and attachments |
| 79,032 | Jun. 16, 1868 | D.H. Tierney | Bevel & Tapering Gauge | special purpose gauges |
| 129,349 | Jul. 16, 1872 | E.C. Kellogg | Calipers For Taper Surfaces | measurement gauges |
| 151,370 | May 26, 1874 | J.E. Emerson | Improvement in Saw Swages | |
| 318,526 | May 26, 1885 | F.H. Tidgewell, F. Waite | Taper Measuring Tool | measurement gauges |
| 486,042 | Nov. 08, 1892 | W. Holland | Pitch Gage for Bevel Gears | special purpose gauges |
| 501,807 | Jul. 18, 1893 | F. Peterson | Taper Gage | special purpose gauges |
| 761,378 | May 31, 1904 | G.P. Hazelton | Device for Measuring Tapers | measurement gauges |
| 777,606 | Dec. 13, 1904 | A.J. Knowlton, O.B. Creamer | Taper Calipers | calipers |
| 785,739 | Mar. 28, 1905 | A. Kettnich | Taper Gage | measurement gauges |
| 996,901 | Jul. 04, 1911 | J.E. Ball | Taper Gage | measurement gauges |
| 1,254,218 | Jan. 22, 1918 | H. Eskelinen | Measuring Instrument | measurement gauges |
| 1,389,381 | Aug. 30, 1921 | F.G. Renton | Taper Gaging Caliper | micrometers |
| 1,409,343 | Mar. 14, 1922 | S. Karasick | Sine Angle Plate | sine bars |
