![]() | |||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 277/488 | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 159,675 | Feb. 09, 1875 | J.W. Hill | Improvement in piston-packings | |
| 693,777 | Feb. 18, 1902 | E. Berry | Steam or Other Piston | ||