All Patents of Type: grinder dressers |
Patents 1 -
15
of 113
|
Number | Date | Patentee | Title | Type |
28,639 | Jun. 05, 1860 | J.F. Schuyler | Apparatus for dressing grindstones | grinder dressers |
42,738 | May 17, 1864 | R. Barkley, L. Semple | Grindstone-dresser | grinder dressers |
61,738 | Feb. 05, 1867 | G.C. Howard | Improvements in dressing grindstones | grinder dressers |
77,303 | Apr. 28, 1868 | R.B. Matthews | Machine for Facing Grindstones | grinder dressers |
154,668 | Sep. 01, 1874 | J.H. Gray | Tools for Turning Emery Wheels | grinder dressers |
242,046 | May 24, 1881 | C.E. Roberts | Emery Wheel Dresser | grinder dressers |
257,400 | May 02, 1882 | N.H. Snider | Tool Holder | grinder dressers |
318,952 | Jun. 02, 1885 | L. Bush, Jr. | Tool for Dressing Emery Wheels | grinder dressers |
410,581 | Sep. 10, 1889 | G.G. Crowell | Tool for Dressing Abrasive Surfaces | grinder dressers |
442,782 | Dec. 16, 1890 | A.A. Reed | Tool for Dressing Emery Wheels | grinder dressers |
498,220 | May 30, 1893 | W.P. Alger | Tool for Dressing Emery Wheels | grinder dressers |
511,083 | Dec. 19, 1893 | G.W. Kamerer | Tool for Dressing Emery Wheels | grinder dressers |
602,106 | Apr. 12, 1898 | C.E. Roberts | Tool for dressing emery-wheels | grinder dressers |
961,460 | Jun. 14, 1910 | W.D. Rearwin | Emery-wheel dresser | grinder dressers |
990,193 | Apr. 18, 1911 | E.J. Brisben | Emery-wheel dresser | grinder dressers |