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.
8,664
|
Jan. 20, 1852
|
Machine for splitting ratan
|
Joseph Sawyer |
Royalston, MA |
|
10,579
|
Feb. 28, 1854
|
Socket for bench-hooks
|
Joseph Sawyer |
South Royalston, MA |
|
10,613
|
Mar. 07, 1854
|
Machine for splitting ratan
|
Joseph Sawyer |
South Royalston, MA |
|
14,833
|
May. 06, 1856
|
Hoop-machine
|
Joseph Sawyer |
Fitchburg, MA |
"...certain new and useful Improvements in Machine for Planing Hoops for Barrels and Other Casks..." |
|
|
Hoop-machine
|
Sylvester Sawyer |
Fitchburg, MA |
|
15,780
|
Sep. 23, 1856
|
Hoop-machine
|
Joseph Sawyer |
Fitchburg, MA |
Probably for skirt hoops. |
|
|
Hoop-machine
|
Sylvester Sawyer |
Fitchburg, MA |
|
16,513
|
Jan. 27, 1857
|
Machine for planing hoops
|
Sylvester Sawyer |
Fitchburg, MA |
Probably for skirt hoops. |
17,014
|
Apr. 07, 1857
|
Machine for splitting hoop poles
|
Joseph Sawyer |
Fitchburg, MA |
Probably for skirt hoops. |
|
|
Machine for splitting hoop poles
|
Sylvester Sawyer |
Fitchburg, MA |
|
RE1,173
|
Apr. 16, 1861
|
Hoop machine
|
Sylvester Sawyer |
Fitchburg, MA |
|
|
|
Hoop machine
|
Joseph Sawyer |
Fitchburg, MA |
|