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| Patents for Lad L. Hercik | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,316,582 | Apr. 13, 1943 | L.L. Hercik | Grinding and polishing machine | metal sanding machines | |
| 2,349,964 | May 30, 1944 | L.L. Hercik | Grinding and polishing machine | metal sanding machines | |
| 2,370,311 | Feb. 27, 1945 | L.L. Hercik | Alligator shear | metal shearing machines | |
| 2,382,054 | Aug. 14, 1945 | L.L. Hercik | Portable crane | portable cranes | |