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.
|
419
|
Jul. 20, 1853
|
Machine for sawing and planing all lumber by one operation
|
Alexander Solomon Walbridge |
QC, Canada |
XC patents are Canadian patents issued between 1824 and 1869.
"It consists in a machine for sawing with a circular saw, and planing by one operation, all trees in their natural state cut into logs, and all kinds of hewed or flatted timber; or to saw the same without planing them, or to plane them without sawing them; and to saw, plane, feed, gig-back, and set all thickness by itself." |
|
847
|
Jul. 02, 1858
|
Improved method of bending timber
|
Alexander Solomon Walbridge |
QC, Canada |
XC patents are Canadian patents issued between 1824 and 1869. |
|
1,291
|
Nov. 28, 1861
|
An improved mode of operating variable expansion steam cut-off valves
|
Alexander S. Walbridge |
QC, Canada |
XC patents are Canadian patents issued between 1824 and 1869. |