| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Philippe Dènéry Dupont | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
 | 429,807 | Jun. 10, 1890 | P.D. Dupont | Power-hammer spring | |
 | CA-36,927 | Jul. 04, 1891 | P.D. Dupont | Coil spring power hammer | |
 | CA-58,429 | Dec. 17, 1897 | P.D. Dupont | Tire-setting machine | |