| All Patents in class 403/320 |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 83,463 | Oct. 27, 1868 | T.S. Coffin | Improved Hammer | framing hammers |
| 317,637 | May 12, 1885 | P.G. Gesford, Jr. | Device For Adjusting and Removing Nuts | axle nut wrenches that lock nut to wheel hub |
| 1,252,082 | Jan. 01, 1918 | A. Bock | Cutting Tool | stonemason |
| 1,253,149 | Jan. 08, 1918 | W. Childers | Drilling Tool Joint | |
| 1,677,199 | Jul. 17, 1928 | J.T. Nelson | Handle lock for pneumatic tools | |
| 1,980,336 | Nov. 13, 1934 | F.O. Hoagland | Chuck Retaining Means | metal lathe chucks |
| 3,071,398 | Jan. 01, 1963 | J.A. Henning | Locking Ring | industrial machine mechanisms |
| 3,572,197 | Mar. 23, 1971 | R.M. Ortlieb | Adjustable Toolholder | drilling and boring tool holders |
