Patents for Edward J. Worcester |
Patents 1 -
15
of 15
|
Number | Date | Patentee | Title | Type |
17,531 | Jun. 09, 1857 | E.J. Worcester | Improved Adjustable Fork-Jaw Wrench | screw adjust wrenches |
65,982 | Jun. 18, 1867 | E.J. Worcester | Improved brush | |
99,803 | Feb. 15, 1870 | E.J. Worcester | Improved drilling-machine | drill presses |
108,747 | Oct. 25, 1870 | E.J. Worcester | Wrench | screw adjust wrenches |
108,748 | Oct. 25, 1870 | E.J. Worcester | Improvement in shingling-brackets | |
110,530 | Dec. 27, 1870 | E.J. Worcester | Improvement in boring-machines | drilling and boring |
127,132 | May 21, 1872 | E.J. Worcester, A.F. Prentice | Improvement in drilling-machines | drill presses |
135,613 | Feb. 04, 1873 | E.J. Worcester | Improvement in drilling-machines | drill presses |
138,975 | May 13, 1873 | E.J. Worcester | Improvement in bush-hammers | |
193,437 | Jul. 24, 1877 | V.F. Prentice, E.J. Worcester | Improvement in machines for grinding mower and reaper knives | grinders |
197,711 | Nov. 27, 1877 | E.J. Worcester | Improvement in machines for grinding lawn-motor cutter | grinders |
CA-8,630 | Apr. 08, 1878 | E.J. Worcester, V.F. Prentice | Machine for grinding cutters of mowers and reapers | sharpening machines |
274,243 | Mar. 20, 1883 | E.J. Worcester | Drilling-machine | drill presses |
287,209 | Oct. 23, 1883 | E.J. Worcester | Drilling-machine | woodworking post drills |
325,373 | Sep. 01, 1885 | E.J. Worcester | Drill-grinding attachment for drilling-machines | woodworking post drills |