http://www.datamp.org/ Recently added patents en-us http://www.datamp.org/patents/displayPatent.php?id=62542&pn=166,758 Rotary Balanced Valve Patentee: Chilton M. Farrar - Buffalo, Erie County NY Granted:1875-08-17
Manufactured by Farrar & Trefts - Buffalo, Erie County NY

James Sangster patent attorney.
This is one of 61,998 patents currently in the database at datamp.org

]]> http://www.datamp.org/patents/displayPatent.php?id=50100&pn=66,972 Compound Steam Engine Patentee: John L. Lay - Buffalo NY Granted:1867-07-23
Manufactured by Shepard Iron Works - Buffalo, Erie County NY
Assigned to H. O. Perry - Buffalo NY

J. Fraser & Co. patent attorneys.
This is one of 61,998 patents currently in the database at datamp.org

]]> http://www.datamp.org/patents/displayPatent.php?id=61378&pn=132,173 Improvements in Trip-Hammers Patentee: Joseph Neuberger - Buffalo, Erie County NY Granted:1872-10-15
Manufactured by Shepard Iron Works - Buffalo, Erie County NY
Assigned to Augustus F. Tripp - Buffalo, Erie County NY

Jay & Hyatt patent attorneys.
This is one of 61,998 patents currently in the database at datamp.org

]]> http://www.datamp.org/patents/displayPatent.php?id=62523&pn=912 Corn Sheller Patentee: Rufus Porter - Billerica, Middlesex County MA Granted:1838-09-12


This is one of 61,998 patents currently in the database at datamp.org

]]> http://www.datamp.org/patents/displayPatent.php?id=62455&pn=294,296 Lathe-chuck Patentees: David E. Whiton - West Stafford CT , Lucius E. Whiton - Est Stafford CT Granted:1884-02-26
Manufactured by D. E. Whiton Machine Co. - New London CT

"Our invention relates to that class of lathe-chucks whose jaws are moved radially in guide ways or slots made in the front face of the shell or case by a rotary disk operated by pinions within the shell, and provided with a convolute or scroll thread made on its outer face, which engages in the teeth made on the back side of each jaw. The object of our invention is to secure the greatest strength, durability, and accuracy in and to completely inclose all the actuating parts, to give easy access to the same when desired, and to provide means to secure the back plate to the shell at the same time the chuck is secured to the chuck-plate..."
This is one of 61,998 patents currently in the database at datamp.org

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