| All Patents in class 451/360 |
Patents 1 -
15
of 32
      |
| Number | Date | Patentee | Title | Type |
| 103,242 | May 17, 1870 | J. Shaughnessy | Improvement in Tool Grinding Attachment for Lathes | grinders |
| 175,262 | Mar. 28, 1876 | H.D. Stover | Improvement in machines for polishing diamonds, &c. | |
| 181,715 | Aug. 29, 1876 | C.A. Perkins | Mounting for Emery Grinders | grinding machines |
| 403,712 | May 21, 1889 | O.A. Winter | Machine for grinding the cutters of wood-cutting machines | sharpening machines |
| 429,697 | Jun. 10, 1890 | C.H. Norton | Grinding Machine | grinders |
| 603,400 | May 03, 1898 | A.J. Farmer | Lathe Attachment | metal lathe accessories and attachments |
| 801,542 | Oct. 10, 1905 | T.A. Panyard | Grinding and polishing machine | sharpening machines |
| 809,822 | Jan. 09, 1906 | C.H. Lawton | Holder for Rotary Tool Operating Machines | tool holders |
| 975,789 | Nov. 15, 1910 | T.A. Panyard | Gearing | cutter grinding |
| 982,166 | Jan. 17, 1911 | A.A. Wood | Grinding-Machine | sharpening machines |
| 994,216 | Jun. 06, 1911 | J.M. Thompson | Grinding-machine | sharpening machines |
| 1,182,095 | May 09, 1916 | C.J. Luther | Gear-casing | sharpening machines |
| 1,210,280 | Dec. 26, 1916 | A.M. Drake | Adjustable shaft-bearing | industrial machine bearings |
| 1,290,897 | Jan. 14, 1919 | W.L. Bryant | Grinding-tool | grinders |
| 1,386,088 | Aug. 02, 1921 | W.J. Boettcher | Tool Grinder | hand grinders |
