| Patents for William P. Hopkins |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 86,399 | Feb. 02, 1869 | W.P. Hopkins | Step for Spindles | looms |
| 110,657 | Jan. 03, 1871 | W.P. Hopkins | Improvement in Calipers | calipers |
| 132,400 | Oct. 22, 1872 | W.P. Hopkins | Improvement in Work Holders for Lathes | lathe tool holders and tool posts |
| 134,381 | Dec. 31, 1872 | W.P. Hopkins | Work Holders for Lathes | metal lathe accessories and attachments |
| 143,242 | Sep. 30, 1873 | W.P. Hopkins | Gear Cutting Attachments to Lathes | metal lathe accessories and attachments |
| 156,705 | Nov. 10, 1874 | W.P. Hopkins | Gear Cutting Attachments for Lathes | gear making machines |
