| All Patents in class 408/130 |
Patents 1 -
15
of 43
      |
| Number | Date | Patentee | Title | Type |
| 428,703 | May 27, 1890 | F.W. Taylor | Boring Bar Puppet | metal lathe accessories and attachments |
| 494,461 | Mar. 28, 1893 | F.H. Cathcart | Power-Driven Tool | |
| 688,415 | Dec. 10, 1901 | W.L. Holman | Mortising-machine | mortising machines |
| 1,534,301 | Apr. 21, 1925 | P. Conradson | Grinding Machine | internal grinders |
| 1,580,094 | Apr. 06, 1926 | A. White | Tool-operating machine | mortising machines |
| 1,931,452 | Oct. 17, 1933 | L.G. Wheeler | Hydraulic machine tool feed | multiple spindle drill presses |
| 1,948,115 | Feb. 20, 1934 | A.M. Johnson | Fluid pressure feed for drilling machine | drill presses |
| 1,956,540 | Apr. 24, 1934 | A.M. Sosa | Electric arm clamping and elevating mechanism | radial drill presses |
| 1,975,589 | Oct. 02, 1934 | L.L. Schauer, A.M. Sosa | Centralized hydraulic control for radial drills | radial drill presses |
| 1,986,848 | Jan. 08, 1935 | G.A. Perry | Automatic Control for Hydraulic Feed Mechanism | hydraulic apparatus |
| 1,990,052 | Feb. 05, 1935 | A.M. Sosa | Fluid actuated drill feed | radial drill presses |
| 1,994,040 | Mar. 12, 1935 | L.L. Schauer | Combined Arm and Sump | metalworking machine mechanisms |
| 2,000,420 | May 07, 1935 | L.L. Schauer, A.M. Sosa, J.H. McKewen | Hydraulic transmission system | radial drill presses |
| 2,000,421 | May 07, 1935 | L.L. Schauer, A.M. Sosa, J.H. McKewen | Duplex control for radial drills | radial drill presses |
| 2,027,705 | Jan. 14, 1936 | L.L. Schauer, J.H. McKewen | Double dial control for hydraulic radial drills | radial drill presses |
