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Kewanee Oil Co

Kewanee Oi

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US3698392A	Topical dressing	Expired / Lapsed	1971-04-21	1972-10-17	4	Details
US3531335A	Method of preparing films of controlled resistivity	Expired / Lapsed	1966-05-09	1970-09-29	0	Details
US3480473A	Method of producing polycrystalline photovoltaic cells	Expired / Lapsed	1966-06-24	1969-11-25	0	Details
US3320180A	Thermoluminescent doubly doped lif phosphor	Expired / Lapsed	1963-11-07	1967-05-16	2	Details