| All Patents in class 235 |
Patents 16 -
30
of 230
      |
| Number | Date | Patentee | Title | Type |
| 42,776 | May 17, 1864 | A. Jillson | Improvement in Sliding Scales for Steam Engines | rules |
| 43,001 | Jun. 07, 1864 | J. Collins, A.T. Boon | Machine for planing, cornering, boring and sawing | drilling and boring |
| 48,078 | Jun. 06, 1865 | G.R. Lewis | Improvement in Machines for Tallying Lumber, &c. | |
| 49,011 | Jul. 25, 1865 | G.S. Tiffany | Improvement in Board Measures | lumber rules |
| 50,364 | Oct. 10, 1865 | L. Jordan, L.E. Smith | Improved Wrench | nut wrenches |
| 55,327 | Jun. 05, 1866 | F. McManus | Improvement in Lumber Registers | |
| 67,269 | Jul. 30, 1867 | F.J. Coffin | Improvement in Slides for Rules, Scales and Tables | rule attachments |
| 71,979 | Dec. 10, 1867 | T. Carter | Improvement in Sawyers' Rules | rule graduations |
| 79,272 | Jun. 23, 1868 | C. Corliss, N. Spofford | Improvement in Instruments for Adding and Registering Numbers | |
| 79,858 | Jul. 14, 1868 | R. Ramsdell | Improvement in machines for making wooden boxes | box making machines |
| 80,612 | Aug. 04, 1868 | J.S. Detrick | Counting Register | |
| 98,111 | Dec. 21, 1869 | G. Selden | Improvement in indicator for saw-mill head-blocks | sawmill headblocks |
| 102,885 | May 10, 1870 | M. Tuells | Improvement in Implement for Measuring Boards | lumber rules |
| 130,017 | Jul. 30, 1872 | H. Chandler | Counting Machine | |
| 137,262 | Mar. 25, 1873 | G.H. Van Vleck | Counting Register | |
