| Patents for William Barker |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 925X | Aug. 26, 1808 | W. Barker | Machine for raising water | |
| 2,363X | Aug. 12, 1815 | W. Barker | Making machine and hand cards | |
| 4,169X | Jul. 20, 1825 | W. Barker | Making salt from sea water and saline springs | |
| 4,371X | Mar. 24, 1826 | W. Barker | Gauge sight for steam boilers | stationary boilers |
| 4,372X | Mar. 25, 1826 | W. Barker | Slitting timber machine | other wood sawing machines |
| 430,612 | Jun. 24, 1890 | W. Barker | Lathe Carriage | engine lathes |
| 447,553 | Mar. 03, 1891 | W. Barker | Machine for Grinding Lathe Centers | lathe center grinders |
| 546,311 | Sep. 17, 1895 | W. Barker, H. Dreses | Work Holding Device for Lathes | metal lathe chucks |
