| Patents for H. L. Sprague |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 920,606 | May 04, 1909 | A.L. Moore | Machine For Cutting Threads On Shanks of Wrench Jaws | wrench jaw components |
| 935,395 | Sep. 28, 1909 | C. Napier | Metal Sawing Machine | metal sawing machines |
| 949,731 | Feb. 15, 1910 | A.L. Moore | Pipe Wrench Handle | wrench handle components |
| 965,970 | Aug. 02, 1910 | F.O. Wells | Tap Wrench | tap wrenches and die stocks |
| 996,385 | Jun. 27, 1911 | G.H. Wilkins | Glass-Tube Cutter | glass cutters |
| 1,009,168 | Nov. 21, 1911 | A.L. Moore | Wrench | wrench adjustment locks |
| 1,054,708 | Mar. 04, 1913 | A.L. Moore | Chain Pipe Wrench | chain and strap wrenches |
| 1,099,218 | Jun. 09, 1914 | F.D. Van Norman | Spindle-bearing-lubricating device | grinders |
| 1,125,868 | Jan. 19, 1915 | A.L. Moore | Machine For Drilling Wrench Bars | wrench handle components |
