| Patents for William A. Clark |
Patents 1 -
10
of 23
      |
| Picture | Number | Date | Patentee | Title |
| | 15,685 | Sep. 09, 1856 | W.A. Clark | Reciprocating Steam Engine |
| | 19,142 | Jan. 19, 1858 | W.A. Clark, J.D. Heaton | Corn Husker |
 | 20,192 | May 11, 1858 | W.A. Clark | Method of seating the movable cutter in expansive bits |
 | 21,597 | Sep. 28, 1858 | W.A. Clark | Expansive bit |
 | 24,722 | Jul. 12, 1859 | W.A. Clark | Improved device for fastening cutters of hollow augers |
 | 28,653 | Jun. 12, 1860 | W.A. Clark | Adjustable hollow auger |
 | 34,944 | Apr. 15, 1862 | W.A. Clark | Improvement in bullet-molds |
 | 86,364 | Feb. 02, 1869 | W.A. Clark | Improvement in Hollow Augers |
 | RE3,516 | Jun. 22, 1869 | W.A. Clark | Improvement in expansive bits |
 | 93,807 | Aug. 17, 1869 | W.A. Clark | Improvement in Countersink and Bit |
