| Patents for Wilmarth & Morman Co. |
Patents 1 -
15
of 20
      |
| Number | Date | Patentee | Title | Type |
| 614,092 | Nov. 15, 1898 | G.T. Eames | Drill-grinder | drill sharpening machines |
| 615,883 | Dec. 13, 1898 | A.W. Nelson | Loose Pulley and Means for Attaching Same to Shafts | industrial machine pulleys and belt drive mechanisms |
| 643,703 | Feb. 20, 1900 | H.P. White | Drill-grinding machines | drill sharpening machines |
| 684,890 | Oct. 22, 1901 | H.P. White | Drill-grinder | drill sharpening machines |
| 691,488 | Jan. 21, 1902 | C. Ridderhof | Friction-clutch for counter-shafts | friction clutches |
| 697,584 | Apr. 15, 1902 | H.P. White | Drill-grinding machine | drill grinders |
| 702,885 | Jun. 17, 1902 | C. Ridderhof | Drill-grinding machine | drill grinders |
| 743,033 | Nov. 03, 1903 | C. Ridderhof | Drill-grinding machine | drill grinders |
| 772,908 | Oct. 18, 1904 | G.E. Miles, C. Ridderhof | Flashing device for incandescent electric lamps | electrical devices |
| 829,488 | Aug. 28, 1906 | C. Ridderhof | Mandrel-press | screw presses |
| 1,268,961 | Jun. 11, 1918 | E.T. Gorham | Grinding Machine | |
| 1,295,156 | Feb. 25, 1919 | E.T. Gorham | Cutter-grinder | cutter grinding machines |
| 1,339,452 | May 11, 1920 | E.T. Gorham | Dressing-tool for grinding-wheels | grinder dressers |
| 1,364,747 | Jan. 04, 1921 | E.T. Gorham | Universal drill-grinder | drill grinders |
| 1,382,003 | Jun. 21, 1921 | H.W. Lightner | Drill-holder | drill sharpening machines |
