![]() | |||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 220/235 | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 764,282 | Jul. 05, 1904 | W.O. Duntley | Battery-cell | |
![]() | 3,070,238 | Dec. 25, 1962 | W.B. Holdridge | Automatic bar feeder for lathe | |