| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for MacDonald and Sons, Ltd. | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| CA-136,213 | Oct. 17, 1911 | W.A. Hyle | Pipe Wrenches and the Like | pipe wrenches | |
| 1,026,040 | May 14, 1912 | W.A. Hyle | Pipe Wrench | pipe wrenches | |