| All Patents in class 33/812 |
Patents 1 -
15
of 35
      |
| Number | Date | Patentee | Title | Type |
| 129,349 | Jul. 16, 1872 | E.C. Kellogg | Calipers For Taper Surfaces | measurement gauges |
| 184,524 | Nov. 21, 1876 | F.D. Hazelton | Gage | measurement gauges |
| 208,104 | Sep. 17, 1878 | J.M. Kurtz | Glazier's Square and Rule | squares |
| 431,702 | Jul. 08, 1890 | W. Littlely | Multi-Jaw Vernier Caliper | measurement gauges |
| 448,016 | Mar. 10, 1891 | R. Fuchs | Combination Cane and Slide Gage | measurement gauges |
| 458,359 | Aug. 25, 1891 | J.A. Lonie, W.A. Cropper | Drill Gage | drill accessories |
| 474,111 | May 03, 1892 | G. Bauer | Slide Gage | measurement gauges |
| 477,104 | Jun. 14, 1892 | S. Darling | Caliper Rule | measurement gauges |
| 477,105 | Jun. 14, 1892 | S. Darling | Caliper Rule | measurement gauges |
| 477,183 | Jun. 14, 1892 | G.D. McLane | Caliper Rule | measurement gauges |
| 493,683 | Mar. 21, 1893 | G.A. Colnon | Beam Calipers | measurement gauges |
| 514,685 | Feb. 13, 1894 | P. Reber | Sliding Calipers or Gage | measurement gauges |
| 591,709 | Oct. 12, 1897 | E. Weber | Slide Gage | measurement gauges |
| 735,935 | Aug. 11, 1903 | C.E. Billings | Combination Measuring Tool | special purpose gauges |
| 738,422 | Sep. 08, 1903 | A. Duffy | Machinist's Try Square | try squares |
