Machines not elsewhere specified – Lubricator or oil collector.
Patent
1988-08-22
1991-12-17
Holtje, Nelson C.
Machines not elsewhere specified
Lubricator or oil collector.
Patent
active
D03224449
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patent: 4989291 (1991-02-01), Parent
Davis Antoine D.
Holtje Nelson C.
McNeil (Ohio) Corporation
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