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| Patents for Geo. M. Hopkins | |||||
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| Number | Date | Patentee | Title | Type | |
| 202,457 | Apr. 16, 1878 | P.A. Oliver | Device For Extracting Keys | auxiliary wrenches | |
| 208,057 | Sep. 17, 1878 | A. Beck | Ratchet Wrench or Ratchet Drill | ratchet wrenches | |
| 334,567 | Jan. 19, 1886 | G.N. Clemson | Saw (hardening method) | ||
| 336,697 | Feb. 23, 1886 | G.N. Clemson | Saw (hardening method) | ||