| All Patents in class 384/135 |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 521,836 | Jun. 26, 1894 | O.S. Walker | Bearing for emery-wheels | bench or pedestal grinders |
| 878,256 | Feb. 04, 1908 | W.H. Thorne | Centrifugal Pump | rotary pumps |
| 1,135,087 | Apr. 13, 1915 | J.E. Webster | Oil-guard for dynamo-electric machines | electric motors |
| 1,224,260 | May 01, 1917 | C.O. Bergstrom | Oil-deflector | electric motors |
| 1,631,537 | Jun. 07, 1927 | J.G. Krenzke | Lubrication System for Train of Gears | internal combustion engine lubrication |
| 1,666,422 | Apr. 17, 1928 | D.C. Klausmeyer | Master Radial Drill Speed Box | metalworking speed changing mechanisms |
| 1,723,014 | Aug. 06, 1929 | T.W. Dahllof | Liquid distributor and bearing | |
| 2,426,932 | Sep. 02, 1947 | L. Hornbostel | Rotary Tool Lathe | metal lathes |
| 3,118,175 | Jan. 21, 1964 | H.D. Walther | Rubber Mixer and Seal in Combination Therewith | mixing machines |
