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Patents for John Howard Lentell
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,978,714Oct. 30, 1934J.H. LentellLubricating Meansinternal combustion engine lubrication
2,472,288Jun. 07, 1949J.H. Lentell, W.W. Schettler, L.E. EndsleyPistonpistons
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