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.
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928,492
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Jul. 20, 1909
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Surface-indicator
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Frederick Brink |
Hartford, CT |
"This invention relates to surface indicators and more especially to that class thereof which are employed to determine the 'true-running' condition of a piece of work in a lathe, grinding machine, or other machine tool, in order to enable the workman to center the same properly, or to determine its eccentricity or deviation from a true circular on the line of its contact with its device. My invention has for one of its objects the provision of an instrument of this class which may be secured in a tool-post of a lathe, and the working parts of which are normally protected by being contained within the interior of the stem of the device..."
The inventor would go on to co-found the Brink & Cotton Mfg. Co., of Bridge which made vises and clamps among its products. |
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1,720,464
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Jul. 09, 1929
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Vise
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Frederick Brink |
Stratford, CT |
Wooster & Davis - patent attorneys
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