| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents Granted on 1834-08-20 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 8,372X | Aug. 20, 1834 | E. Hidden | Percussion cannon lock | gunsmith | |
| 8,373X | Aug. 20, 1834 | B.E. Hoyt | Revolving steel | ||
| 8,374X | Aug. 20, 1834 | I. Wiseman | Filtering machine for purifying water | water filters | |