| Patents for Covel Mfg. Co. |
Patents 1 -
10
of 20
      |
| Picture | Number | Date | Patentee | Title |
 | 319,794 | Jun. 09, 1885 | M. Covel | Saw sharpening machine |
 | 574,855 | Jan. 05, 1897 | H.P. Schofield | Saw-sharpening machine |
 | 615,152 | Nov. 29, 1898 | L.L. Filstrup | Saw-sharpening machine |
 | RE11,733 | Apr. 11, 1899 | L.L. Filstrup | Saw-sharpening machine |
 | 628,655 | Jul. 11, 1899 | L.L. Filstrup | Saw-sharpening machine |
 | 654,829 | Jul. 31, 1900 | L.L. Filstrup | Saw-sharpening machine |
 | 654,843 | Jul. 31, 1900 | H.P. Schofield | Saw support and guide |
 | 654,844 | Jul. 31, 1900 | H.P. Schofield | Saw-sharpening machine |
 | 654,845 | Jul. 31, 1900 | H.P. Schofield | Saw-support |
 | 667,924 | Feb. 12, 1901 | H.P. Schofield, L.L. Filstrup | Saw-sharpening machine |
