| Patents for Katherine E. Nichols |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| 911,342 | Feb. 02, 1909 | W.G. Stebbins | Glass Cutter | glass cutters |
| 912,582 | Feb. 16, 1909 | J.A. Leland | Chuck | brace chucks |
| 925,112 | Jun. 15, 1909 | H.J. Leland | Saw-Frame | hacksaws |
| 929,231 | Jul. 27, 1909 | J.A. Leland | Bit Extension | drill bit extensions |
| 935,375 | Sep. 28, 1909 | J.A. Leland | Miter-Box | miter boxes |
| 936,644 | Oct. 12, 1909 | J.A. Leland | Chuck | brace chucks |
| 974,896 | Nov. 08, 1910 | J.A. Leland | Chuck | brace chucks |
| 981,315 | Jan. 10, 1911 | G.E. Rogers | Means for preventing frictional drag on rotating screw-heads | ratchet braces |
| 988,723 | Apr. 04, 1911 | J.A. Leland | Change-speed gearing | eggbeater drills |
| 1,030,592 | Jun. 25, 1912 | J.A. Leland | Telescopic Extension-Rod | drill bit extensions |
| 1,034,838 | Aug. 06, 1912 | H.A. Ryther | Change-speed gearing | eggbeater drills |
| 1,063,702 | Jun. 03, 1913 | J.A. Leland | Chuck | |
| 1,063,984 | Jun. 10, 1913 | J.A. Leland | Hand Drill Gearing | eggbeater drills |
