| All Patents in class 81/487 |
Patents 1 -
10
of 12
      |
| Picture | Number | Date | Patentee | Title |
 | 491,872 | Feb. 14, 1893 | C.W. Canfield | Sliding Friction Tongs |
| | 678,424 | Jul. 16, 1901 | M.C. Rodenberger | Tool Holder |
| | 1,062,448 | May 20, 1913 | H. Fish | Tool Holder |
 | 1,196,703 | Aug. 29, 1916 | H. Kraut | Tool |
| | 1,200,158 | Oct. 03, 1916 | R. Barrett | Tool Holder |
 | 1,330,514 | Feb. 10, 1920 | W.C. Brooks | Tool-holder |
 | 1,615,488 | Jan. 25, 1927 | J.A. Schleicher | Wrench and handle for inside micrometers |
| | 1,786,029 | Dec. 23, 1930 | J.H. Phillips | Tool Holder |
| | 2,043,442 | Jun. 09, 1936 | J.E. McNeil | Tool Holder |
| | 2,706,423 | Apr. 19, 1955 | C.W. Rose | Tool Holder |
