| All Patents in class 84/459 |
Patents 1 -
9
of 9
      |
| Picture | Number | Date | Patentee | Title |
| | 7,848X | Nov. 19, 1833 | J.J. Wise | Piano-forte tuning |
 | 73,028 | Jan. 07, 1868 | H.O. Nauen | Vise Clamp |
 | 318,981 | Jun. 02, 1885 | A.W. Green | Tuning Hammer |
| | 342,051 | May 18, 1886 | L. Steets | Tuning Hammer |
 | 360,871 | Apr. 12, 1887 | H.E. Finney | Tuning Pin Setter |
 | 510,981 | Dec. 19, 1893 | G. Massey | Improved Combination Spanner and Locking Tool For Nuts and Bolts |
 | 528,154 | Oct. 30, 1894 | B.F. Fuchs | Piano Tuning Hammer |
 | 634,016 | Oct. 03, 1899 | C.F. Mueller | Tuning Hammer |
 | 653,476 | Jul. 10, 1900 | T.C. Stafford, F.C. Hutt | Wrench |
