| All Patents of Type: portable metal drilling machines |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 68,827 | Sep. 10, 1867 | A. Whipple, E.S. Young | Metal Drill | portable metal drilling machines |
| 188,008 | Mar. 06, 1877 | L.B. Flanders | Machine for Turning Locomotive Crank-Pins | portable metal drilling machines |
| 266,991 | Nov. 07, 1882 | J. Hathaway | Portable Drill and Forge Rest | portable metal drilling machines |
| 288,953 | Nov. 20, 1883 | D.W. Pedrick | Machine For Turning and Boring | portable metal drilling machines |
| 469,503 | Feb. 23, 1892 | J.T. Kiehner | Boring Tool | portable metal drilling machines |
| CA-49,976 | Sep. 13, 1895 | W.H. Law | Travelling swing drill | portable metal drilling machines |
| 983,083 | Jan. 31, 1911 | J.A. Pealing | Portable drill | portable metal drilling machines |
| 1,282,079 | Oct. 22, 1918 | W.A. Hawkins | Convertible Drilling Machine and Gear Jack | portable metal drilling machines |
| 1,516,815 | Nov. 25, 1924 | A.F. Froussard | Boring Machine | portable metal drilling machines |
| 1,583,786 | May 11, 1926 | A.F. Froussard | Cylinder Boring Machine | portable metal drilling machines |
| 2,333,589 | Nov. 02, 1943 | L.L. Schauer | Drilling machine | portable metal drilling machines |
| 2,638,802 | May 19, 1953 | A.F. Froussard | Boring Implement | portable metal drilling machines |
