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| Patents for Louis Jack Koss | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 3,441,069 | Apr. 29, 1969 | L.J. Koss | Method of preventing staining of veneers in veneer slicers | |
 | 3,654,973 | Apr. 11, 1972 | L.J. Koss | Hydraulically controlled pressure cap | |