Latest Addition to the Directory of American Tools and Machinery Patents (DATAMP)

Tonsillarum Sector Patentee: William B. Fahnestock - Lancaster PA Granted:1832-05-25

Most of the patents prior to 1836 were lost in the Dec. 1836 fire. Only about 2,000 of the almost 10,000 documents were recovered. This is one of the recovered patents. This patent is in the database for reference only.
This is one of 64,346 patents currently in the database at datamp.org

Flue Hole Cutter Patentee: John G. Erd - Saginaw, Saginaw County MI Granted:1890-10-14

We believe that this patent may be the basis for the Stow Dead Light & Air Port Cutter. http://www.vintagemachinery.org/mfgindex/imagedetail.aspx?id=20768
This is one of 64,346 patents currently in the database at datamp.org

Portable power handsaw Patentee: John M. Crowe - Covington KY Granted:1929-12-17

Improvements to the inventor's patent 1,644,326 to provide an improved handle that also supports the fixed blade guard, plus other improvements to the guard.
This is one of 64,326 patents currently in the database at datamp.org

Trasmission for Radial Drill Arms, Elevating Mechanism and Drill Spindles Patentee: Jack C. Carlton - Cincinnati, Hamilton County OH Granted:1928-09-11


This is one of 64,304 patents currently in the database at datamp.org

Punch Patentee: William A. Whitney - Rockford, Winnebago County IL Granted:1911-11-14


This is one of 64,250 patents currently in the database at datamp.org

Attachment for Lathes Patentee: Adam Leck - New Bethlehem, Clarion County PA Granted:1890-10-28


This is one of 64,239 patents currently in the database at datamp.org

Universal Joint Coupling Patentee: Frederic Schoff - Philadelphia PA Granted:1890-01-28


This is one of 64,227 patents currently in the database at datamp.org

Hand Corn Husker Patentee: Alexander W. Brinkerhoff - Upper Sandusky OH Granted:1882-02-21

An example of this patent appeared on ebay marked Universal Husker Pat'd Feb'y 21, 1882 A. W. Brinkerhoff & Son Upper Sandusky O.
This is one of 64,186 patents currently in the database at datamp.org

Cutting Tool Patentee: Alfred E. Carter - Providence, Providence County RI Granted:1919-04-01


This is one of 64,176 patents currently in the database at datamp.org

Machine and Other Tools, Shafting &c. Patentees: Alfred Herbert - Kenilworth England , Percy Venables Vernon - Coventry England Granted:1905-07-28


This is one of 64,123 patents currently in the database at datamp.org

Improvements in milling cutters Patentee: George Wright Gregory - Manchester England Granted:1913-07-24


This is one of 64,122 patents currently in the database at datamp.org

Improvements relating to drilling machines Patentee: Fred Coxon - Birmingham England Granted:1915-08-19


This is one of 64,100 patents currently in the database at datamp.org

Plumb, Level, and Square Patentees: Joseph E. Gagnon - Philadelphia PA , John A. Hawthorne Jr. - Chester PA Granted:1917-02-13

Known examples are marked: MODEL/PAT U.S./ FEB 13,17 MODEL is assumed to be the name of the manufacturer or a brand name, currently unknown.
This is one of 64,078 patents currently in the database at datamp.org

Setting of cutting tools Patentee: Arthur Joseph Allen - Hanbury Park England Granted:1968-10-01

See also US patent 3,504,442.
This is one of 64,012 patents currently in the database at datamp.org