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
Combined dictating and interoffice-communicating system
摘要
申请公布号
US2497037(A)
申请公布日期
1950.02.07
申请号
US19460675850
申请日期
1946.06.11
申请人
THOMAS A. EDISON, INCORPORATED
发明人
SOMERS RICHARD M.;WEITZER SAUL J.
分类号
H04M3/42;H04M11/10
主分类号
H04M3/42
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Connector module and meter employing the same
Optically variable security device with a relief structure and a thin film reflection filter
Fire-fighting vehicle
PARENT STATION DEVICE AND GRANT ALLOCATION METHOD
FLUID-OPERATED ACTUATOR FOR CONTROLLING THE ACTUATION OF VALVES IN GENERAL
MAGNETICALLY DRIVEN MICROPUMP
SYSTEM OF COMPACT CONTRA-ROTATING PROPELLERS
DISPLAY DEVICE FOR WORKING MACHINE AND LANGUAGE REPLACEMENT SYSTEM IN DISPLAY DEVICE
COMMUNICATION METHOD
Methods for treating neuropsychiatric disorders
PHARMACEUTICAL COMPOSITIONS COMPRISING (3-(1-(1H-IMIDAZOL-4-YL)ETHYL)-2-METHYLPHENYL)METHANOL
DIFFRACTIVE TRIFOCAL LENS
Satiation devices
SHORT BETA-DEFENSIN-DERIVED PEPTIDES
Tuner selection in a digital broadcasting receiver having multiple tuners
COMMUNICATION NETWORK AND METHOD FOR OPERATING A COMMUNICATION NETWORK
Plastic section for use in the interior of a motor vehicle
Stent graft and stent graft delivery system
DATA CENTER CONTROL
一种固体二氧化氯泡腾片剂及其制备方法
