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Publication numberUST949003 I4
Publication typeGrant
Publication dateAug 3, 1976
Filing dateMay 14, 1975
Priority dateMay 14, 1975
Publication numberUS T949003 I4, US T949003I4, US-I4-T949003, UST949003 I4, UST949003I4
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet

US T949003 I4
Abstract  available in
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Description  available in
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U.S. Classification379/81, 379/82
International ClassificationH04M3/00
Cooperative ClassificationH04M3/005
European ClassificationH04M3/00L