| All Patents in class 451/188 |
Patents 1 -
15
of 30
      |
| Number | Date | Patentee | Title | Type |
| 22,803 | Feb. 01, 1859 | J.A. Hendricks | Machine for grinding and polishing saws | tool making machines |
| 24,196 | May 31, 1859 | W. Clemson | Machine for Grinding Saws | making sawblades |
| 85,081 | Dec. 22, 1868 | J. Flint | Grinding Saws | saw sharpening machines |
| 132,231 | Oct. 15, 1872 | A. Assman | Improvement in Grinding Apparatus | grinding machines |
| 188,580 | Mar. 20, 1877 | J.L. Perry, A. Bridgman | Improvement in wood-polishing machines | sanding machines |
| 231,259 | Aug. 17, 1880 | B. Beehler | Sanding machine | sanding machines |
| 233,471 | Oct. 19, 1880 | J. Naylor, Jr., D.H. Burrell | Machine for dressing and finishing barrel-hoops | hoop making machines |
| 238,095 | Feb. 22, 1881 | W.H. Doane, G.W. Bugbee | Sandpapering machine | sanding machines |
| 240,179 | Apr. 12, 1881 | J.L. Perry | Sanding machine | sanding machines |
| 286,173 | Oct. 09, 1883 | W. Bowker | Machine for sawing hoops and poles | hoop making machines |
| 327,203 | Sep. 29, 1885 | C.D. Smith | Planer for small curved pieces | wood planers |
| 347,125 | Aug. 10, 1886 | J.L. Perry | Sanding machine | sanding machines |
| 394,543 | Dec. 11, 1888 | E. Olund | Barrel-hoop machine | barrel making machines |
| 421,487 | Feb. 18, 1890 | W.J. Fisher | Saw grinding machine | tool making machines |
| 427,695 | May 13, 1890 | P. Kettenring | Felly-polishing machine | wheelwright |
