| All Patents in class 72/198 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 5,942X | Apr. 28, 1830 | E. L'Hommedieu | Machine for shaping hammers, spike gimlets, and rod augers | tool making machines |
| 56,825 | Jul. 31, 1866 | A.C. Stone | Machine for Rolling Metal | rolling mills |
| 64,447 | May 07, 1867 | T.C. Rice | Improved Apparatus for Rolling Wrench-Bars | wrench handle components |
| 124,123 | Feb. 27, 1872 | W.C. Eiseman | Improvement in Machines for Bending Metal | sheet metal |
| 318,322 | May 19, 1885 | W.E. Taft | Machine for Making Drill-Blanks | making drills and augers |
| 432,635 | Jul. 22, 1890 | S. Moore | Machine for Making Twist Drills | making drills and augers |
