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
Railroad signalling
摘要
申请公布号
US2966582(A)
申请公布日期
1960.12.27
申请号
US19570647651
申请日期
1957.03.21
申请人
KURT WACHTEL
发明人
WACHTEL KURT
分类号
B61L1/16
主分类号
B61L1/16
代理机构
代理人
主权项
地址
您可能感兴趣的专利
INVERTED PENDULUM-TYPE VEHICLE CONTROLLER
POSITIONING LABELS IN AN ENGINEERING DRAWING
Caption and/or Metadata Synchronization for Replay of Previously or Simultaneously Recorded Live Programs
CAPACITIVE TOUCH DEVICE
PLASTIC RECLAIMED FROM INFECTIOUS MEDICAL WASTE AND MEDICAL DEVICES MANUFACTURED THEREFROM
ISOLATION OF A PROTEIN RESPONSIBLE FOR URANIUM (VI) REDUCTION
INTEGRATED HYDROMETHANATION COMBINED CYCLE PROCESS
PROCESS FOR THE MANUFACTURE OF WAFERS FOR SOLAR CELLS AT AMBIENT PRESSURE
MAGNETIC MICROPARTICLE AND METHOD FOR MAKING SUCH A MICROPARTICLE
MODULE-BASED VECTOR USEFUL IN THE ASSESSMENT OF ANTIGEN-SPECIFIC T CELL FUNCTIONS
GASOHOL FUEL COMPOSITION FOR INTERNAL COMBUSTION ENGINES
SYSTEM, METHOD, AND APPARATUS FOR IMPROVED SPACE-TIME CODING AND DYNAMIC SWITCHING WITH ADVANCED RECEIVERS
IDENTITY IDENTIFICATION, ACROSS-NETWORK COMMUNICATION AND SERVICE MIGRATION METHOD, AND INFORMATION INTERCOMMUNICATION NETWORK ARCHITECTURE
DRYBLENDED NUTRITIONAL POWDERS
ENZYMATIC FUEL CELL USING DNA-WRAPPED CARBON NANOTUBE AND MANUFACTURING METHOD THEREOF
METHOD FOR MANUFACTURING COMPOSITE CONNECTING RODS, AND CONNECTING RODS PRODUCED ACCORDING TO THE METHOD
METHOD AND SYSTEM FOR SOCIAL NETWORK ANALYSIS
ELECTRIC VEHICLE THREE SPEED DUAL CLUTCH TRANSMISSION
LOW-SALT SOY SAUCE AND PROCESS FOR PRODUCING SAME
HEAT RESISTANT DELIVERY SYSTEM
