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
Directive antenna system
摘要
申请公布号
US2695958(A)
申请公布日期
1954.11.30
申请号
US19440547396
申请日期
1944.07.31
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
LEWIS WILLARD D.
分类号
H01Q19/12
主分类号
H01Q19/12
代理机构
代理人
主权项
地址
您可能感兴趣的专利
PRODUCTION OF POLYIMIDE FIBROUS MOLDED FORM
QUALITY IMPROVING OF AQUATIC PROCESSED FOOD
METHOD FOR PRESERVING QUALITY OF PROCESSED FOOD
VEGETABLE-CONTAINING PASTE MADE FROM STARCH OF DEVIL'S-TONGUE AND ITS PRODUCTION
IMPROVER FOR COATING OF FRY
SPIRUNA SPRIPULINA-CONTAINING GRAIN
IMAGE DEVICE AND ITS MANUFACTURE
FRICTION CLUTCH
BLOWER CONTROL DEVICE FOR AIR CONDITIONER
ROAD SURFACE MARKING
MARINE VESSEL PROPELLING DEVICE
TREATMENT OF WASTE LIQUID
EXCISING ELECTRODE WITH THERMALLY INSULATED TEMPERATURE SENSING ELEMENT
EQUIPMENT AND METHOD TO EXCISE TISSUE WHILE MONITORING IMPEDANCE OF TISSUE
LATERALLY MOVING DEVICE FOR VEHICLE
CATALYTIC ACTIVITY DISCRIMINATION DEVICE OF INTERNAL COMBUSTION ENGINE
PRODUCTION OF CONCRETE OR MORTAR FOR IMMEDIATE REMOVAL AFTER PRESSURIZATION VIBRATION MOLDING
BATHTUB
LASER BEAM MACHINING DEVICE
OUTDOOR TYPE STAIRCASE UNIT