| All Patents in class 451/160 |
Patents 1 -
15
of 33
      |
| Number | Date | Patentee | Title | Type |
| 5,398 | Dec. 18, 1847 | W. Hovey | Machinery for Grinding Knives which have Warped Sufaces | tool grinders |
| 55,723 | Jun. 19, 1866 | W. Sellers | Machine for Planing Metal | metal planers |
| 79,132 | Jun. 23, 1868 | A. Hathaway, J. Kendall | Polishing Glass | polishing and buffing machinery |
| 172,803 | Jan. 25, 1876 | A. Warth | Textile cutting machine | |
| 282,049 | Jul. 31, 1883 | A. Campbell | Grinding Machine | stone dressing machines |
| 407,408 | Jul. 23, 1889 | S. Lloyd | Machinery for Grinding the Edges of a Series of Slabs | stone dressing machines |
| 428,426 | May 20, 1890 | J.H. Storey, H.J. Bamford | Machine for grinding twist or other drills | sharpening machines |
| 487,140 | Nov. 29, 1892 | C.A. Worden | Machine for sharpening razors | |
| 493,294 | Mar. 14, 1893 | H.E. Procunier | Apparatus for Edging Metal Ribbons or Stripes | spring making machines |
| 516,146 | Mar. 06, 1894 | C.A. Worden | Machine for sharpening razors, shears, &c. | |
| 667,321 | Feb. 05, 1901 | M.L. Keyes | Edge Tool Grinder | sharpening machines |
| 744,340 | Nov. 17, 1903 | J.N. Heald | Grinding Attachment for Lathes | metal lathe accessories and attachments |
| 856,662 | Jun. 11, 1907 | G.W. Smith | Face-mill grinder | tool grinders |
| 946,635 | Jan. 18, 1910 | F. Franke | Machine for grinding straight machine-knives | cutter grinding |
| 1,233,120 | Jul. 10, 1917 | F.R. Patch | Grinding and Polishing Machine | stone cutting machines |
