首页
产品
黄页
商标
征信
会员服务
注册
登录
全部
|
企业名
|
法人/股东/高管
|
品牌/产品
|
地址
|
经营范围
发明名称
Control and interface apparatus for telephone systems
摘要
申请公布号
EP0463832(B1)
申请公布日期
1997.05.07
申请号
EP19910305668
申请日期
1991.06.21
申请人
AT&T CORP.
发明人
BELL, JOHN F.;JONES, DAVID FREDERICK;KHALILI, FARID;KUTZAVITCH, WALTER G.;LUU, THONG V.;MAHIDA, MANHAR R.
分类号
H04Q3/58;H04M3/00;H04M3/02;H04M3/42;H04M3/58;H04M9/00;(IPC1-7):H04M9/00
主分类号
H04Q3/58
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Data storage
Electric switch
Security marker
An hydraulic power system on a vehicle
WET GYPSUM ACCELERATOR AND METHODS, COMPOSITION, AND PRODUCTRELATING THERETO
(Log) cargo container
Menetelmä ja laserlaite suuren optisen tehotiheyden tuottamiseksi
Stereo display with colour matching and positional registering
Mobile radio communications device and method of operation
MELANOMA ASSOCIATED ANTIGEN (HMW-MAA) DEFINED BY A MONOCLONAL ANTIBODY
METHODS AND COMPOSITIONS FOR INHIBITION OF MEMBRANE FUSION-ASSOCIATED EVENTS, INCLUDING HIV TRANSMISSION
PLANT DEFENSIN VARIANTS
BASB119 POLYPEPTIDE AND POLYNUCLEOTIDE FROM MORAXELLA CATARRHALIS
REPLICATION PROTEIN A BINDING TRANSCRIPTIONAL FACTOR (RBT1) AND USES THEREOF
Videosignaalin siirtojärjestelmä ja -menetelmä
MEDICAMENTS CONTAINING XENOGENIC OLIGO- OR/AND POLYRIBONUCLEOTIDES
LOW POWER TELECOMMUNICATION CONTROLLER FOR A HOST COMPUTER SERVER
MACHINE TOOL WITH CLAMPING DEVICE
REDUCED COST BEARING RETAINER
MICRODIALYSIS PROBE