| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Covel Mfg. Co. | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| CA-160,180 | Jan. 19, 1915 | E.C. Widemire | Gauge for band saws | bandsaw accessories | |
| 1,260,974 | Mar. 26, 1918 | E.C. Filstrup | Saw Grinding Machine | saw sharpening machines | |
| 1,339,452 | May 11, 1920 | E.T. Gorham | Dressing-tool for grinding-wheels | grinder dressers | |
| 1,382,003 | Jun. 21, 1921 | H.W. Lightner | Drill-holder | drill sharpening machines | |
| 1,391,034 | Sep. 20, 1921 | A. Williams | Drill-holder | drill sharpening machines | |