| All Patents in class 74/149 | 
| Patents 1 - 
					12
					of 12 
       | 
| Number | Date | Patentee | Title | Type | 
| 74,588 | Feb. 18, 1868 | B.P. Perry | Improvement in head-blocks for saw-mills | sawmill headblocks | 
| 194,760 | Sep. 04, 1877 | W.D. Beebe | Ratchet Releasers For Unloading Coal-Cars | ratchet wrenches | 
| 232,884 | Oct. 05, 1880 | J.H. Cox | Pawl Shifter for Traction Engines | traction engine propulsion components | 
| 241,236 | May 10, 1881 | F.A. Pratt | Adjustable lever | cranes | 
| 256,157 | Apr. 11, 1882 | I.D. Parker, E. Parker | Sawmill head-block | sawmill headblocks | 
| 300,216 | Jun. 10, 1884 | P.M. Chisholm | Saw-mill | circular sawmills | 
| 310,848 | Jan. 13, 1885 | D.C. Prescott | Saw-mill set-works | sawmill set works | 
| 333,244 | Dec. 29, 1885 | T.J. Neacy | Set Works for Saw Mills | sawmill set works | 
| 366,795 | Jul. 19, 1887 | D.L. Harback, A.E. Roe | Saw-mill set-works | sawmill set works | 
| 368,730 | Aug. 23, 1887 | D.C. Prescott | Saw-mill set-works | sawmill set works | 
| 1,018,080 | Feb. 20, 1912 | H.P. Reston | Safety Ratchet-Lever | metalworking machine mechanisms | 
| 1,097,571 | May 19, 1914 | I.M. Thurlow | Intermittent-grip device | sawmill set works |