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Patents for Spring Leaf Lubricator Co.
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,108,111Aug. 18, 1914C.F. AdamsonSpreader For the Leaves of Springsleaf spring spreaders and lubricators
1,142,280Jun. 08, 1915F. Knowlson, J.H. StevensonLeaf Separator for Springsleaf spring spreaders and lubricators
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