| Source | Search |
| IMPROVEMENTS ON ADJUSTER FOR RAISING OR LOWERING THE PLATFORM OF REAPERS. page 5 | |
| WILLIAMS, S.H.: SALTFLEET, Ontario, Canada | Filing year:1869-01-01 Year granted:1869-08-26 |
| Results | |
![]() |
| Results |
Visit the virtual exhibition Made in Canada - Patents of Invention and the Story of Canadian Innovation