| Patents for Michigan Lubricator Co. |
Patents 1 -
10
of 16
      |
| Picture | Number | Date | Patentee | Title |
| | 657,924 | Sep. 18, 1900 | G.B. Essex | Lubricator |
| | 672,415 | Apr. 16, 1901 | W.W. Dodge | Lubricator |
| | 675,864 | Jun. 04, 1901 | W.T. Simpson | Automatic Driver Brake Retainer |
| | 782,590 | Feb. 14, 1905 | R. Davidson, G.M. Wolcott | Lubricator |
| | 783,717 | Feb. 28, 1905 | R. Davidson, W.E. Bryant, G.M. Wolcott | Visible Auxiliary Oiler for Lubricators |
| | 814,016 | Mar. 06, 1906 | R. Davidson, G.M. Wolcott, W.E. Bryant | Lubricator |
| | 837,790 | Dec. 04, 1906 | W.E. Bryant | Automatic Checks for Feed Glasses and Water by Passes for Lubricators |
| | 854,797 | May 28, 1907 | W.E. Bryant | Automatic Oil Check for Lubricator Drain Passages |
| | 855,932 | Jun. 04, 1907 | W.E. Bryant | Float Valve for Drain Cock Plugs |
| | 890,757 | Jun. 16, 1908 | W.E. Bryant | Automatic Oil Check for Lubricator Drain Passages |
