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
Level
摘要
申请公布号
US2150048(A)
申请公布日期
1939.03.07
申请号
US19380204882
申请日期
1938.04.28
申请人
BOYD JOHN B
发明人
BOYD JOHN B.
分类号
G01C5/04
主分类号
G01C5/04
代理机构
代理人
主权项
地址
您可能感兴趣的专利
METHODS OF MAKING ARTIFICIAL FLOWERS
ASSEMBLY FOR HANDLING SUCCESSIVE ARTICLES THAT DIFFER IN THICKNESS
VEHICULAR SKID CONTROL SYSTEM
FUEL TANKS WITH VENTING ARRANGEMENTS
FASTENING DEVICE
SPARK IGNITION CIRCUIT
TRANSFORMER ARRANGEMENT FOR SYNCHRONOUSLY SWITCHED VERTICAL DEFLECTION SYSTEM
MULTI-STAGE FLASH EVAPORATOR
COLLAPSIBLE ROOF EXTENSION FOR CARAVANS OR THE LIKE
METHOD FOR THE MANUFACTURE OF NICKEL OR AN ALLOY THEREOF
CYCLOPROPANECARBOXYLIC ACID ESTERS OF HALOGENATED BENZYL ALCOHOLS AND THEIR USE AS PESTICIDES
CATHODE-RAY TUBE
METHOD OF AND APPARATUS FOR INJECTION MOULDING
PREPARATIONS CONTAINING DYESTUFF PIGMENT OR OPTICAL BRIGHTENER
HEAT TREATMENT APPARATUS
DISPLAY ASSEMBLY
TELEVISION CAMERA AND PICK-UP TUBE SUITABLE THEREFOR
ELECTROLUMINESCENT DISPLAY PANELS
PILOT SIGNAL LUMINANCE CORRECTION MEANS FOR VIDEO RECORDING APPARATUS
SAFETY OVERCAP FOR STANDARD METAL SCREWCAPS
