| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for D. H. Harper | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 682,263 | Sep. 10, 1901 | C.S. Du Mont | Bit-brace | corner braces | |
| 1,105,609 | Aug. 04, 1914 | E.F. Beugler | Stave Jointing Machine | barrel making machines | |
| 1,127,166 | Feb. 02, 1915 | E.F. Beugler | Variable Speed Countershaft | ||
| 1,153,479 | Sep. 14, 1915 | E.F. Beugler | Combined belt- and drum-sanding machine | sanding machines | |