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| Patents for Leo Hayes | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 1,571,783 | Feb. 02, 1926 | J.R. Aulenback | Adjustable Gage | |
![]() | 1,818,869 | Aug. 11, 1931 | E.J. Reede | Tool | |
![]() | 1,867,505 | Jul. 12, 1932 | H.G. Graner | Pliers | |