http://www.datamp.org/ Recently added patents en-us http://www.datamp.org/patents/displayPatent.php?id=51494&pn=2,319,964 Hydraulic press Patentee: Frank C. Wilson - Arcade NY Granted:1943-05-25
Manufactured by K. R. Wilson - Buffalo NY

"This invention relates to improvements in hydraulic presses of the kind wherein a manually operable pump is availed of to develop the fluid pressures utilized in actuating the ram and, although not necessarily so limited, the invention contemplates a press in which the movement of the ram to and away from its work engaging positions and its actuation in light pressing operations are effected by a conventional handwheel." This patent number was seen on a Model 37 hydraulic press, of 25 ton capacity, from K. R. Wilson of Buffalo. The manufacturing date was January 30, 1946.
This is one of 51,083 patents currently in the database at datamp.org

]]> http://www.datamp.org/patents/displayPatent.php?id=51493&pn=2,658,415 Clamping device for irregularly shaped workpieces Patentee: Nathan Barowsky - Holyoke MA Granted:1953-11-10
Manufactured by American Machinery Co. - Willimansett MA
Assigned to American Machinery Co. - Willimansett MA

This vise was written up in the October 1964 issue of Popular Science. The vise in that article has one straight jaw and one flexible jaw. An example was seen on owwm.org with two flexible jaws, as shown in the patent drawings.
This is one of 51,083 patents currently in the database at datamp.org

]]> http://www.datamp.org/patents/displayPatent.php?id=51492&pn=140,081 Improvement in pencil attachments Patentee: William Schollhorn - New Haven CT Granted:1873-06-17

Exaple marked Peck, Stow & Wilcox, East Berlin, CT and this patent date
This is one of 51,083 patents currently in the database at datamp.org

]]> http://www.datamp.org/patents/displayPatent.php?id=51491&pn=490,514 Miter-box Patentee: John J. Spilker - Cincinnati OH Granted:1893-01-24
Manufactured by J. J. Spilker - Cincinnati OH


This is one of 51,083 patents currently in the database at datamp.org

]]> http://www.datamp.org/patents/displayPatent.php?id=51490&pn=2,118,967 Cutter grinder Patentee: Frank W. Curtis - Wauwatosa WI Granted:1938-05-31
Manufactured by Kearney & Trecker Corp. - West Allis WI
Assigned to Kearney & Trecker Corp. - West Allis WI


This is one of 51,083 patents currently in the database at datamp.org

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