| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for William Hjorth & Co. | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 573,999 | Dec. 29, 1896 | J.H. Pierce | Pipe Wrench | pipe wrenches | |
| 735,289 | Aug. 04, 1903 | K. Peterson | Pipe Wrench | pipe wrenches | |
| 738,444 | Sep. 08, 1903 | A.W. Hjorth | Combined Pipe and Nut Wrench | pliers type wrenches | |
| CA-85,624 | Feb. 23, 1904 | A.W. Hjorth | Pipe and Nut Wrench | pliers type wrenches | |