![]() | |||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Alfred G. Isaacson | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 124,659 | Mar. 19, 1872 | W.T. Farre, W.H. Barwick | Improvement in devices for cutting off pipes | |
![]() | 125,433 | Apr. 09, 1872 | W.T. Farre, W.H. Barwick | Improvement in Pipe Vises | |