![]() | |||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Percy B. Bosworth | |||||
| Picture | Number | Date | Patentee | Title | |
| 586,514 | Jul. 13, 1897 | P.B. Bosworth | Commutator Truing Device | ||
![]() | 660,618 | Oct. 30, 1900 | P.B. Bosworth | Device for truing commutators | |