| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for W. N. Kempston | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 371,143 | Oct. 04, 1887 | E. Judson | Improvement in Attachments for Wrenches and Vises | pipe jaw attachments for wrenches | |
| 495,281 | Apr. 11, 1893 | F.E. Tremper | Explosive Engine | ||