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
Telephone system having repeater insertion on long distance lines
摘要
申请公布号
US2564084(A)
申请公布日期
1951.08.14
申请号
US19470783569
申请日期
1947.11.01
申请人
AUTOMATIC ELECTRIC LABORATORIES INC.
发明人
STEHLIK RUDOLPH FRANK
分类号
H04M3/40
主分类号
H04M3/40
代理机构
代理人
主权项
地址
您可能感兴趣的专利
A LIQUID CRYSTAL CELL AND A DISPLAY
MEASUREMENT INSERT FOR FLUID METERS
SLIDE BLOCK AND WINNING MACHINE THEREWITH
CONCEALED 180 DEGREE HINGE
ELECTRIC DRY SHAVER
HYDRAULIC SYSTEM FOR AN ALL-WHEEL DRIVE SYSTEM AND METHOD OF CONTROLLING SAID HYDRAULIC SYSTEM
METHOD AND SYSTEM FOR PROCESSING THE SENSOR SIGNALS OF A MOTOR VEHICLE
POSITION MEASURING DEVICE FOR DETERMINING THE POSITION OF TWO COMPONENTS DISPLACEABLE RELATIVE TO ONE ANOTHER
PROCESS FOR MANUFACTURING AN OPTICAL FIBER WITH A TIME-STABLE HYDROXYL CONTENT
HEATING UNIT, PARTICULARLY TUBE RADIATOR
SENSOR SYSTEM FOR MONITORING A CONVERTIBLE SOFT TOP
ÄNDERUNG DER WIEDERGABEGESCHWINDIGKEIT EINER IN EINEM PROGRESSIVEN TEILBILDFORMAT AUFGEZEICHNETEN VIDEODARSTELLUNG
AIR CLEANER AND AIR CLEANER DIAGNOSTIC PROCESS
METHODS OF INHIBITING THE DISTORTIONS THAT OCCUR DURING THE PRODUCTION OF SILICONE HYDROGEL OPHTHALMIC LENSES
ENERGY ABSORBING BUMPER ASSEMBLIES AND METHODS FOR ABSORBING KINETIC ENERGY DURING AN IMPACT EVENT
PHARMACEUTICAL COMPOSITIONS COMPRISING A COMBINATION OF PIPERIDINOALKANOL AND DECONGESTANT
SUBSTITUTED BICYCLIC AND TRICYCLIC THROMBIN RECEPTOR ANTAGONISTS
A TIE MADE OF TEXTILE MATERIAL AND METHOD FOR ITS MANUFACTURE
ELECTROPHORETIC DISPLAY WITH HOMOGENEOUSLY DISTRIBUTED ELECTRICALLY CHARGED PARTICLES
APPARATUS AND PROCESS FOR DETERMINING THE DOSE ABSORBED IN SIMULATIONS OF RADIOTHERAPEUTIC TREATMENTS
