| Patents for R. Fitzgerald |
Patents 1 -
15
of 20
      |
| Number | Date | Patentee | Title | Type |
| 4,906 | Dec. 23, 1846 | H. Augur | Improvement in machines for carving | carving machines |
| 4,941 | Jan. 26, 1847 | J. Sheldon | Planing-machine | wood planers |
| 6,339 | Apr. 17, 1849 | J.S. Barden, J. Sheldon | Planing-machine | wood planers |
| 9,544 | Jan. 18, 1853 | G. Cook, D. Cook | Driving circular saws, etc. | circular saws |
| 9,822 | Jun. 28, 1853 | R. Ward | Machine for turning irregular forms | pattern lathes |
| 10,744 | Apr. 04, 1854 | A. Pease | Drill for metal gun-barrels | drill bits |
| 12,723 | Apr. 17, 1855 | D. Fowler | Machine for Punching Metal | stamping presses |
| 13,120 | Jun. 26, 1855 | C.B. Bristol | Revolving Head Nut Wrench | nut wrenches |
| 13,693 | Oct. 16, 1855 | J.H. Doolitle | Knitting Machine | knitting machines |
| 15,848 | Oct. 07, 1856 | G. Gilbert | Fly-trap | |
| 21,399 | Aug. 31, 1858 | J. Widmer | Cut-Off for Steam-Engines | steam engine valve gear |
| 26,791 | Jan. 10, 1860 | F. Skinner | Machine for cutting shavings for mattresses | excelsior machines |
| 28,695 | Jun. 12, 1860 | O. Snow, H.S. Snow | Lamp | lamps |
| 36,744 | Oct. 21, 1862 | M.G. Wilder | Improvement in Machines for Milling and Cutting Metals | milling machines |
| 51,465 | Dec. 12, 1865 | J.P. Lindsay | Improved Wrench | nut wrenches |
