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| All Patents in class 33/199R | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 61,926 | Feb. 12, 1867 | J.S. Copeland | Screw Gage | |
 | 170,768 | Dec. 07, 1875 | V.J. Reece | Improvement in Screw Cutting Dies | |
 | 191,315 | May 29, 1877 | C.C. Coleman | Screw Thread Counter | |
| 263,550 | Aug. 29, 1882 | G.B. Malette | Screw Plate | ||
 | 284,702 | Sep. 11, 1883 | J. Wyke | Screw-Cutting Gage | |
 | 318,051 | May 19, 1885 | L.S. Starrett | Screw Thread Gage | |
 | 389,627 | Sep. 18, 1888 | A. Wirsching | Screw Cutting Die | |
 | 437,385 | Sep. 30, 1890 | F.J. Smith | Screw-cutting die | |
| 473,582 | Apr. 26, 1892 | H.B. Keiper | Screw-cutting plate | ||
 | 494,169 | Mar. 28, 1893 | O.W. Schaum | Combination Gage | |