| All Patents in class 33/494 |
Patents 1 -
15
of 27
      |
| Number | Date | Patentee | Title | Type |
| 47,436 | Apr. 25, 1865 | C.B. Long | Improvement in Gear Cutting Rules | rules |
| 66,120 | Jun. 25, 1867 | T. Bigelow | Improvement in Tinner's Rules | rule graduations |
| 71,979 | Dec. 10, 1867 | T. Carter | Improvement in Sawyers' Rules | rule graduations |
| 146,974 | Feb. 03, 1874 | F.E. Allen | Improvement in Ring Gages for Jewelers | rules |
| 190,447 | May 08, 1877 | J. Putnam | Scale Measure | rule graduations |
| 197,839 | Dec. 04, 1877 | R.H. Edmunds, Jr. | Improvement in Gages for Tobacconists | rule graduations |
| 282,931 | Aug. 07, 1883 | J.W. See | Scale for Steam Engine Indicators | steam engine indicators |
| 289,512 | Dec. 04, 1883 | S. Darling | Graduated Measure of Length | rule graduations |
| 325,096 | Aug. 25, 1885 | J. Coffin, H.J. Leighton | Graduated Scale | rule graduations |
| 331,345 | Dec. 01, 1885 | C.A. Totten | Linear or Other Scale | rule graduations |
| 334,457 | Jan. 19, 1886 | J.D. McCann | Measure for Drafting Garments | marking gauges |
| 371,741 | Oct. 18, 1887 | S. Darling | Measuring Rule | rules |
| 470,490 | Mar. 08, 1892 | E. Jones | Draftsman's Micrometer Scale | draftsman |
| 470,864 | Mar. 15, 1892 | S. Darling | Key Seat Rule | special purpose gauges |
| 503,528 | Aug. 15, 1893 | J.T. Cowley | Pattern Maker's Scale | shrink rules |
