| All Patents in class 81/55 |
Patents 16 -
26
of 26
      |
| Number | Date | Patentee | Title | Type |
| 1,318,088 | Oct. 07, 1919 | C.S. Klein | Combination Tool | socket wrenches |
| 1,367,969 | Feb. 08, 1921 | J.C. Holley | Wrench | brace wrenches |
| 1,382,320 | Jun. 21, 1921 | C. Yunker, E. Riley | Bolt and Nut Holder | socket wrenches |
| 1,396,591 | Nov. 08, 1921 | W.D. Reist | Double Grip Socket Wrench | socket wrenches |
| 1,400,226 | Dec. 13, 1921 | H.R. Milan | Wrench | automotive specialty wrenches |
| 1,424,712 | Aug. 01, 1922 | A.E. Carlberg | Attachment For Wrenches | brace wrenches |
| 1,437,602 | Dec. 05, 1922 | R.J. McKee | Track-Bolt Wrench | ratchet wrenches |
| 1,544,520 | Jun. 30, 1925 | E.P. Putrow | Push-Rod Adjusting Tool | automotive specialty wrenches |
| 2,007,432 | Jul. 09, 1935 | E. Mancuso | Combination Screw Driver and Socket Wrench Tool | combination tools |
| 2,075,754 | Mar. 30, 1937 | A.E. Williams | Adjustable Spring Ratchet for Micrometer Spindles | micrometers |
| 2,473,507 | Jun. 21, 1949 | E.P. Bullard | Positioning Apparatus | |
