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All Patents of Type: spanner wrenches | |||||
Number | Date | Patentee | Title | Type | |
1,303,157 | May 06, 1919 | C.P. Brockway | Spline Shaft Spanner Wrench | spanner wrenches | |
D135,158 | Mar. 02, 1943 | H.M. Miller | Spanner Wrench | spanner wrenches | |
2,810,313 | Oct. 22, 1957 | R.W. Hermanson | Open-End Ratchet Wrenches of the Spanner Type | spanner wrenches |