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.
37,692
|
Feb. 17, 1863
|
Improvement in drop-presses
|
Bennet Hotchkiss |
New Haven, CT |
This patent was subsequently improved by Norman C. Stiles of Stiles & Parker Press Co., in patent 160,483. |
130,877
|
Aug. 27, 1872
|
Improvement in drop-hammers
|
Norman C. Stiles |
Middletown, CT |
|
160,483
|
Mar. 02, 1875
|
Drop Hammer
|
Norman C. Stiles |
Middletown, Middlesex County, CT |
This patent was an improvement on patent 37,692, that earlier patent having been manufactured by Merrill Brothers of Brooklyn. |
270,146
|
Jan. 02, 1883
|
Drop-hammer
|
Norman C. Stiles |
Middletown, CT |
Improvements to patent 160,483. |
RE10,324
|
May. 08, 1883
|
Drop-hammer
|
Norman C. Stiles |
Middletown, CT |
|
294,698
|
Mar. 04, 1884
|
Die for forming pulley-centers
|
Norman C. Stiles |
Middletown, CT |
|
364,142
|
May. 31, 1887
|
Power-press
|
Norman C. Stiles |
Middletown, CT |
This patent is an improvement on patent 299,290. In 1892 E. W. Bliss Co. acquired the Stiles & Parker Press Co. |
421,327
|
Feb. 11, 1890
|
Drop-hammer
|
Norman C. Stiles |
Middletown, CT |
In 1892 E. W. Bliss Co. acquired the Stiles & Parker Press Co. |