| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Detroit Emery Wheel Co. | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
 | 251,141 | Dec. 20, 1881 | F.M. Simmons | Machine for grinding pulleys | |
 | 582,544 | May 11, 1897 | J.W. Oliver | Oilstone-box | |
| CA-71,002 | Apr. 16, 1901 | G. Hart | Emery wheel chuck | ||
| CA-91,883 | Feb. 28, 1905 | G. Hart | Grinding wheel | ||
| CA-102,411 | Dec. 04, 1906 | G. Hart | Grinding wheel | ||