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Manufacturers Index - Union Mfg. Co. (Buffalo, NY)
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
677,276 Jun. 25, 1901 Grinding-machine William Robertson Buffalo, NY This invention is shown in a 1901 ad from Union Mfg. Co., for their "Union Tool Grinder". The assignee, William H. Crosby, was the owner of the Crosby Co., makers of metal stampings for bicycles and automobiles. According to the 1902 Buffalo City Directory, he was also the president of the "Union Mfg. and Specialty Co." The 1900 Buffalo City Directory lists our inventor as an employee of Union Mfg. Co.