| Patents for American Tool Works Co. |
Patents 31 -
45
of 124
      |
| Number | Date | Patentee | Title | Type |
| 1,293,552 | Feb. 04, 1919 | A.M. Sosa, A.E. Robinson | Clutch | metalworking machine clutches |
| 1,297,256 | Mar. 11, 1919 | A.M. Sosa, H.W. Schatz | Drilling Machine | radial drill presses |
| 1,297,257 | Mar. 11, 1919 | H.W. Schatz | Drilling Machine | radial drill presses |
| 1,338,752 | May 04, 1920 | A.M. Sosa | Drilling Machinery | radial drill presses |
| 1,351,969 | Sep. 07, 1920 | H.W. Schatz, A.E. Robinson, A.M. Sosa | Feeding Mechanism for Metal Working Machinery | metalworking machine mechanisms |
| 1,351,970 | Sep. 07, 1920 | H.W. Schatz, A.E. Robinson, A.M. Sosa | Feeding Mechanism for Metal Working Machinery | metalworking machine mechanisms |
| 1,375,024 | Apr. 19, 1921 | A.M. Sosa | Feeding Mechanism for Metal Working Machinery | metalworking machine mechanisms |
| 1,413,790 | Apr. 25, 1922 | A.M. Sosa, H.W. Schatz | Drilling Machine | radial drill presses |
| 1,600,847 | Sep. 21, 1926 | A.M. Sosa, A.E. Robinson | Drilling Machine | radial drill presses |
| 1,625,397 | Apr. 19, 1927 | A.E. Robinson | Friction Clutch Mechanism | metalworking machine clutches |
| 1,637,969 | Aug. 02, 1927 | A.M. Sosa | Feeding Mechanism for Metal Working Machinery | metal shapers |
| 1,660,137 | Feb. 21, 1928 | A.M. Sosa, A.E. Robinson | Drilling Machine | radial drill presses |
| 1,676,206 | Jul. 03, 1928 | S.M. Ratliff | Traveling drilling machine | radial drill presses |
| 1,692,705 | Nov. 20, 1928 | W.L. Schellenbach | Clutch Actuating Means for Machine Tools | engine lathes |
| 1,699,493 | Jan. 15, 1929 | A.E. Robinson | Feeding Means for Drilling Machines | radial drill presses |
