| All Patents in class 81/177.1 |
Patents 181 -
195
of 195
      |
| Number | Date | Patentee | Title | Type |
| 2,558,158 | Jun. 26, 1951 | G.L. Rock | Safety Tool Handle | tool handles |
| D167,245 | Jul. 15, 1952 | B.C. Anderson | Open End Wrench Having a Ball Handle Grip | wrenches |
| 2,620,001 | Dec. 02, 1952 | P.W. Sandrock, G.C. Fratz | Tool Handle | tool handles |
| 2,645,145 | Jul. 14, 1953 | J.V. Larson | Adjustable Self-Closing Pipe Wrench and the Like | pipe wrenches |
| D182,318 | Mar. 11, 1958 | M. Boone, R.B. Wright | Socket Wrench | socket wrenches |
| 2,936,661 | May 17, 1960 | J.L. Hostetter | Torque Limiting Wrench | |
| 3,752,202 | Aug. 14, 1973 | H.F. Condon | Hand Fastener Driving Tool | screwdriver handles |
| 3,955,451 | May 11, 1976 | W.F. Lohness | Hand-Held Spin-Type Driver Tool | |
| 4,723,582 | Feb. 09, 1988 | D.R. Caspall | Method of making an antislip wooden handle for a hand-held striking tool | |
| 4,748,875 | Jun. 07, 1988 | J.W. Lang | Ratchet Box Wrench with Offset Handle | ratchet wrenches |
| 4,819,521 | Apr. 11, 1989 | J.W. Lang | Ratchet Box Wrench with Offset Handle | ratchet wrenches |
| 5,259,277 | Nov. 09, 1993 | G.A. Zurbuchen | Electrically Insulating Composite Hand Tool | |
| 5,713,252 | Feb. 03, 1998 | M.J. Hasenberg, D.J. Iwinski | Ergonomic Multi-Tool Handle | tool handles |
| 6,079,298 | Jun. 27, 2000 | N.C. Gasperi, S.R. Wente | Ergonomic handle and driver incorporating same | ratchet wrenches |
| 6,427,563 | Aug. 06, 2002 | D.D. Curry, R.N. Wabalickis, G.A. Zurbuchen | Insulating Composite Hollow Shaft Tool | |
