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Rion Co Ltd

Rion Co Lt

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US4334542A	Artificial palate device for electropalatograph	Expired / Lapsed	1980-05-08	1982-06-15	7	Details
US4310002A	Electropalatograph	Expired / Lapsed	1980-05-15	1982-01-12	6	Details
US4287895A	Electropalatograph	Expired / Lapsed	1980-03-07	1981-09-08	16	Details
US4175338A	Artificial palate for use in dynamic palatographical speech…	Expired / Lapsed	1977-09-27	1979-11-27	7	Details