| All Patents in class 451/360 |
Patents 1 -
10
of 32
      |
| Picture | Number | Date | Patentee | Title |
 | 103,242 | May 17, 1870 | J. Shaughnessy | Improvement in Tool Grinding Attachment for Lathes |
 | 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 |
| | 403,712 | May 21, 1889 | O.A. Winter | Machine for grinding the cutters of wood-cutting machines |
| | 429,697 | Jun. 10, 1890 | C.H. Norton | Grinding Machine |
| | 603,400 | May 03, 1898 | A.J. Farmer | Lathe Attachment |
 | 801,542 | Oct. 10, 1905 | T.A. Panyard | Grinding and polishing machine |
| | 809,822 | Jan. 09, 1906 | C.H. Lawton | Holder for Rotary Tool Operating Machines |
 | 975,789 | Nov. 15, 1910 | T.A. Panyard | Gearing |
 | 982,166 | Jan. 17, 1911 | A.A. Wood | Grinding-Machine |
