| All Patents in class 81/120 |
Patents 31 -
45
of 47
      |
| Number | Date | Patentee | Title | Type |
| 825,401 | Jul. 10, 1906 | J. Merckens | Wrench | alligator wrenches |
| 849,891 | Apr. 09, 1907 | E. Ellingson | Combination Wrench | alligator wrenches |
| 923,420 | Jun. 01, 1909 | C.E. Drake | Wrench | alligator wrenches |
| 956,280 | Apr. 26, 1910 | G. Bryar | One-Piece Pipe Wrench | alligator wrenches |
| 990,050 | Apr. 18, 1911 | F.O. Jacques, Jr. | Alligator Wrench | alligator wrenches |
| 1,041,707 | Oct. 15, 1912 | B.F. Waitt, G.W. Waitt | Wrench | alligator wrenches |
| 1,132,252 | Mar. 16, 1915 | C.G. Fruedinger | Combination Tool | |
| 1,224,801 | May 01, 1917 | E. Sprung | Stud Extractor and Tightener | stud extractors |
| 1,314,812 | Sep. 02, 1919 | J.A. Jones | Pipe Wrench | pipe wrenches |
| 1,321,776 | Nov. 11, 1919 | S. Stepanian | Wrench | wrenches |
| 1,336,794 | Apr. 13, 1920 | S. Stepanian | Grease Cup Wrench | wrenches |
| 1,393,920 | Oct. 18, 1921 | W.P. Strickland | Nipple Grip | spoke nipple wrenches |
| 1,590,200 | Jun. 29, 1926 | J.J. McGuckin | Socket Wrench | socket wrenches |
| 1,896,437 | Feb. 07, 1933 | A.B. Allen | Pipe Wrench | alligator wrenches |
| 2,103,944 | Dec. 28, 1937 | A.V. Gullborg | Screw Part and Driver | socket wrenches |
