| Patents for George D. Walker |
Patents 1 -
15
of 21
      |
| Number | Date | Patentee | Title | Type |
| 56,546 | Jul. 24, 1866 | J. Foster | Improvement instruments for measuring tires of wheels | wheelwright |
| 66,229 | Jul. 02, 1867 | J. Fanning | Drilling apparatus | eggbeater drills |
| 68,085 | Aug. 27, 1867 | S.R. Kenyon | Improvement in Machine for Picking and Husking Corn | corn huskers |
| 68,362 | Sep. 03, 1867 | W.D. Grimshaw | Improved drilling machine | drilling and boring |
| 72,065 | Dec. 10, 1867 | J.A. McGee | Improvement in Augers | auger bits |
| GB-186,800,851 | Mar. 12, 1868 | A.P. Stephens | Vices, &c. | machinist vises |
| 81,878 | Sep. 08, 1868 | G.H. Clemens, E. Clemens | Improvement in steam safety-valves | steam safety valves |
| 96,282 | Oct. 26, 1869 | A.P. Stephens | Improved base for bench-vises | bench vises |
| RE3,760 | Dec. 14, 1869 | G.C. Taft | Variable crank for boring machine | portable timber borers |
| 102,950 | May 10, 1870 | T. Lippiatt | Machine for engraving and chasing articles of metal | metal engraving machines |
| 108,484 | Oct. 18, 1870 | M.C. Jeffers | Corn Husker | corn huskers |
| 113,174 | Mar. 28, 1871 | S.R. Kenyon | Corn Picking and Husking Machine | miller |
| RE4,388 | May 23, 1871 | L.A. Aspinwall | Corn Husker | corn huskers |
| 121,384 | Nov. 28, 1871 | S.R. Kenyon | Picking - Husking Corn | miller |
| 146,287 | Jan. 06, 1874 | D. Slate | Improvement in Milling-Machines | milling machines |
