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Manufacturers Index - Wilmarth & Morman Co.
Patents
This page contains information on patents issued to this manufacturer.

Submitting Patent Information

If you find a patent number or patent date by this manufacturer that is not on this list, please contact the Site Historian.


Key to Links for Patent Information

USPTO = U.S. Patent Office . Images of the actual patent can be viewed on the U.S. Patent Office web site but a special TIFF viewer must be installed with your browser in order properly work. More information on how to configure your computer to view these patents can be found at TIFF image Viewers for Patent Images.
DATAMP = Directory of American Tool And Machinery Patents . A sister site to VintageMachinery.org with information on patents related to machinery and tools. A much easier user interface than the USPTO's for finding information on machinery patents.

Patent Number Date Title Name City Description
614,092 Nov. 15, 1898 Drill-grinder Gardner T. Eames Kalamazoo, MI Beginning in 1898 the G. T. Eames Co. of Kalamazoo manufactured a drill grinder that closely resembles this patent; the G. T. Eames Co. would eventually become the Atlas Press Co. In addition, this patent date was seen on a drill grinder from Wilmarth & Morman Co., and the grinder appears to match this patent.
615,883 Dec. 13, 1898 Loose Pulley and Means for Attaching Same to Shafts Arthur W. Nelson Chicago, Cook County, IL
643,703 Feb. 20, 1900 Drill-grinding machines Henry P. White Kalamazoo, MI This patent date was seen on a drill grinder from Wilmarth & Morman Co., and since the inventor's patent 684,890 was assigned to that firm, it's safe to say that this is patent was used by them.
684,890 Oct. 22, 1901 Drill-grinder Henry P. White Kalamazoo, MI This patent date was seen on a drill grinder from Wilmarth & Morman Co., and since the inventor's patent 684,890 was assigned to that firm, it's safe to say that this is patent was used by them.
1,268,961 Jun. 11, 1918 Grinding Machine Edwin T. Gorham Grand Rapids, MI Moulton & Liverance - patent attorneys
1,339,452 May. 11, 1920 Dressing-tool for grinding-wheels Edwin T. Gorham Grand Rapids, MI This patent date was seen on a Yankee drill grinder from Covel Mfg. Co.
1,382,003 Jun. 21, 1921 Drill-holder Henry W. Lightner Grand Rapids, MI This patent date was seen on a Yankee drill grinder from Covel Mfg. Co.
1,391,034 Sep. 20, 1921 Drill-holder Arthur Williams Grand Rapids, MI This patent date was seen on a Yankee drill grinder from Covel Mfg. Co.