Apparatus and Method for Screening Foreign Incollect Calls to Domestic Non-Collect Call Telephone Numbers to Reduce Fraud,申请号CA19952153906-传众专利搜索

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发明名称	Apparatus and Method for Screening Foreign Incollect Calls to Domestic Non-Collect Call Telephone Numbers to Reduce Fraud
摘要
申请公布号	CA2153906(A1)	申请公布日期	1997.01.15
申请号	CA19952153906	申请日期	1995.07.14
申请人	AMERICAN TELEPHONE AND TELEGRAPH COMPANY	发明人	CHILLER, MARTIN STEVEN;COULTER, PETER IAIN;PETILLO, RICHARD JOSEPH
分类号	H04M1/66;H04M15/00;(IPC1-7):H04M1/66	主分类号	H04M1/66
代理机构		代理人
主权项
地址

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