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Manufacturers Index - Liberty Machine Tool Co.
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
1,447,422 Mar. 06, 1923 Planer Alfred R. McCann Hamilton, Butler County, OH
1,459,917 Jun. 26, 1923 Dial Alfred R. McCann Hamilton, OH Williams, Bradbury, See & McCaleb - patent attorneys
1,483,901 Feb. 19, 1924 Variable Speed Drive Alfred R. McCann Hamilton, Butler County, OH