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.
|
461,202
|
Oct. 13, 1891
|
Boring-engine
|
Albert D. Pentz |
Elizabeth, NJ |
Improvements to patent 408,259.
The December 1895 "Machinery" magazine carried an ad from States Machine Co. that featured their "Combination Universal Boring and Universal Milling Machine". The illustration is a close match to the machine shown in the patent. Co-assignee Abraham Vanderbeek established the States Machine Co. in 1890. |
|
461,201
|
Oct. 13, 1891
|
Rotary attachment for milling-machines
|
Albert D. Pentz |
Elizabeth, NJ |
|