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All Patents in class 81/117 | |||||
Number | Date | Patentee | Title | Type | |
1,407,578 | Feb. 21, 1922 | F.P. Robert | Self Adjustable Wrench | self-adjust wrenches | |
1,515,618 | Nov. 18, 1924 | F. Ruesch | Wrench | self-adjust wrenches | |
1,681,184 | Aug. 21, 1928 | R. Hoe | Wrench | pipe wrenches | |
1,968,707 | Jul. 31, 1934 | J.G. Richards | Pipe Wrench | pipe wrenches | |
2,398,209 | Apr. 09, 1946 | F.J. Clemens | Hand Tool | pliers |