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.
128,995
|
Jul. 16, 1872
|
Improvement in planing-machines
|
Medad Wright |
Montpelier, VT |
|
203,234
|
Apr. 30, 1878
|
Improvement in stone and glass polishers
|
Medad Wright |
Montpelier, VT |
|
|
|
Improvement in stone and glass polishers
|
Prentiss C. Wright |
Montpelier, VT |
|
1,105,088
|
Jul. 28, 1914
|
Polishing-wheel
|
Daniel Frederick McGovern |
Montpelier, VT |
Both assignees were deceased. "The polishing-wheel provided by this invention is designed particularly for use with emery or other abrasive in smoothing and polishing granite, marble, or other stone..." |
1,105,089
|
Jul. 28, 1914
|
Polishing-wheel
|
Daniel Fredrick McGovern |
Montpelier, VT |
Both assignees were deceased. The inventor's middle name is consistently spelled "Fredrick" on this patent but "Frederick" on patent 1,105,089. "The invention relates to polishing or smoothing wheels that employ spiral flanges or scrolls to affect the action of the abrasive or smoothing material used, and it improves the arrangement of flanges or scrolls such as shown, for example, in my Patent No. 861,476 and that of Pentbroke No. 900,947." |