| All Patents in class 74/575 | 
| Patents 1 - 
					14
					of 14 
       | 
| Number | Date | Patentee | Title | Type | 
| 63,532 | Apr. 02, 1867 | C.B. Knapp | Improvement in boring machines | dovetailing machines | 
| 69,399 | Oct. 01, 1867 | W. Brown | Improvement in Ratchet-Braces | ratchet braces | 
| 97,040 | Nov. 23, 1869 | M. Buck | Improvement in blind-mortising machines | windowblind machines | 
| 142,723 | Sep. 09, 1873 | C. Peck | Drop Hammer Lifters | drop hammers | 
| 143,538 | Oct. 07, 1873 | E.H. Smith | Improvement in adjustable ratchet-rods | woodworking machine mechanisms | 
| 217,787 | Jul. 22, 1879 | F.L. Fairchild | Traction Engine | steam traction engines | 
| 324,409 | Aug. 18, 1885 | L.M. Nutting | Lathe | turret lathes | 
| 554,917 | Feb. 18, 1896 | W.E. Jaques, G. Emmett | Carving machine | carving machines | 
| 744,110 | Nov. 17, 1903 | C.D. Rice | Gear Cutting Machine | gear making machines | 
| 864,271 | Aug. 27, 1907 | R. Stockbridge | Feeding mechanism for shaping-machines | metal shapers | 
| 894,673 | Jul. 28, 1908 | G.O. Leopold | Ratchet mechanism | ratcheting screwdrivers | 
| 2,608,120 | Aug. 26, 1952 | W.G. Hoelscher | Pawl and Ratchet Mechanism for Lathe Tailstocks | metal lathe mechanisms | 
| 2,660,911 | Dec. 01, 1953 | K.E. Queitzsch | Operating Handle for Rotary Tools | ratchet wrenches | 
| 2,858,918 | Nov. 04, 1958 | R. Bergsma | Pinion and idler gear for ratchet assembly |  |