| All Patents in class 81/57.29 |
Patents 1 -
15
of 22
      |
| Number | Date | Patentee | Title | Type |
| 68,787 | Sep. 10, 1867 | C.T. Poulton | Improved Brace for Boring, Wrenching, etc. | wrench jaw components |
| 137,910 | Apr. 15, 1873 | P.L. Gibbs | Improvement in Railroad Track Wrenches | socket wrenches |
| 541,494 | Jun. 25, 1895 | J.M. Long, C.P. Nixholm | Wrench | wrenches |
| 858,892 | Jul. 02, 1907 | A.L. Moss | Wrench | socket wrenches |
| 858,894 | Jul. 02, 1907 | A.L. Moss | Wrench | ratchet wrenches |
| 873,771 | Dec. 17, 1907 | J. McCoy | Bench screwdriver | screwdriver mechanisms |
| 933,639 | Sep. 07, 1909 | C.R. Frink | Bitstock | |
| 1,275,593 | Aug. 13, 1918 | V.V. McMillen, G.M. Overtree | Brace | brace wrenches |
| 1,341,700 | Jun. 01, 1920 | G.D. Alexander | Power-wrench | |
| 1,344,265 | Jun. 22, 1920 | L. Donar | Wrench | socket wrenches |
| 1,385,214 | Jul. 19, 1921 | A.C. Klopper | Gear Drive Socket Wrench | socket wrenches |
| 1,416,271 | May 16, 1922 | C.L. Devos | Wrench | socket wrenches |
| 1,525,357 | Feb. 03, 1925 | F.J. Backscheider | Portable electric tool | handheld power tools |
| 1,540,749 | Jun. 09, 1925 | A.A. Beach | Screw Driving Device | screwdriver mechanisms |
| 2,594,669 | Apr. 29, 1952 | C.D. Marshall | Gear-Operated Wrench Construction | ratchet wrenches |
