| Patents for William Robertson |
Patents 1 -
9
of 9
      |
| Picture | Number | Date | Patentee | Title |
 | 758 | May 30, 1838 | S. Kimball | Mode of Appying Friction to the Yarn-Beams of Power-Looms |
| | 483,367 | Sep. 27, 1892 | W. Robertson | Cementing-machine |
 | 639,773 | Dec. 26, 1899 | W. Robertson | Tool-handle |
 | 677,276 | Jun. 25, 1901 | W. Robertson | Grinding-machine |
| | 758,191 | Apr. 26, 1904 | W. Robertson | Coaling-station |
 | 811,094 | Jan. 30, 1906 | W. Robertson | Mattress |
| | 822,153 | May 29, 1906 | W. Robertson | Material and cinder-pit elevator |
 | 856,808 | Jun. 11, 1907 | W. Robertson | Engine |
 | 1,032,430 | Jul. 16, 1912 | W. Robertson | Drill-press |
