Patents for Henry McCoy Norris |
Patents 1 -
9
of 9
      |
Number | Date | Patentee | Title | Type |
792,842 | Jun. 20, 1905 | H.M. Norris | Drill | multiple spindle drill presses |
883,118 | Mar. 24, 1908 | H.M. Norris | Arm for Radial Drills | radial drill presses |
1,022,866 | Apr. 09, 1912 | H.M. Norris | Automatic Spindle Stop | drill press accessories |
1,023,867 | Apr. 23, 1912 | H.M. Norris | Gearing | metalworking speed changing mechanisms |
1,024,220 | Apr. 23, 1912 | H.M. Norris | Gearing | metalworking speed changing mechanisms |
1,030,424 | Jun. 25, 1912 | H.M. Norris | Friction Clutch | metalworking power transmission |
1,058,254 | Apr. 08, 1913 | H.M. Norris | Radial Drill | radial drill presses |
1,204,684 | Nov. 14, 1916 | H.M. Norris | Gearing | metalworking speed changing mechanisms |
1,426,496 | Aug. 22, 1922 | H.M. Norris | Center Drain Turntable | drill press accessories |