| Patents for Henry Drury |
Patents 1 -
9
of 9
      |
| Picture | Number | Date | Patentee | Title |
 | 227,962 | May 25, 1880 | S. Darling | Dividing Engine |
 | 233,488 | Oct. 19, 1880 | S. Darling | Art of Manufacturing Mathematical Instruments |
 | 454,958 | Jun. 30, 1891 | E.A. Walker | Belt-Shifter for Planing-Machines |
 | 454,959 | Jun. 30, 1891 | E.A. Walker | Feed-Screw and Nut |
 | 454,960 | Jun. 30, 1891 | E.A. Walker | Frictional Feed-Clutch |
 | CA-54,773 | Jan. 27, 1897 | M. Wenger | Wrench |
 | 618,859 | Feb. 07, 1899 | J. Gardiner | Wrench |
 | 618,899 | Feb. 07, 1899 | W.M. Norcross | Wrench |
 | 624,535 | May 09, 1899 | H.W. Powel | Device for Gaging & Positioning Tools for Slide Rest Lathes |
