| Patents for George D. Walker |
Patents 1 -
10
of 21
      |
| Picture | Number | Date | Patentee | Title |
| | 56,546 | Jul. 24, 1866 | J. Foster | Improvement instruments for measuring tires of wheels |
 | 66,229 | Jul. 02, 1867 | J. Fanning | Drilling apparatus |
 | 68,085 | Aug. 27, 1867 | S.R. Kenyon | Improvement in Machine for Picking and Husking Corn |
 | 68,362 | Sep. 03, 1867 | W.D. Grimshaw | Improved drilling machine |
 | 72,065 | Dec. 10, 1867 | J.A. McGee | Improvement in Augers |
 | GB-186,800,851 | Mar. 12, 1868 | A.P. Stephens | Vices, &c. |
 | 81,878 | Sep. 08, 1868 | G.H. Clemens, E. Clemens | Improvement in steam safety-valves |
 | 96,282 | Oct. 26, 1869 | A.P. Stephens | Improved base for bench-vises |
 | RE3,760 | Dec. 14, 1869 | G.C. Taft | Variable crank for boring machine |
 | 102,950 | May 10, 1870 | T. Lippiatt | Machine for engraving and chasing articles of metal |
