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
Vent cap
摘要
申请公布号
US2494679(A)
申请公布日期
1950.01.17
申请号
US19480064947
申请日期
1948.12.13
申请人
WARD JR FRANK W
发明人
JR. FRANK W. WARD,
分类号
F16K24/04
主分类号
F16K24/04
代理机构
代理人
主权项
地址
您可能感兴趣的专利
INSULATING-PROPERTY INSPECTION APPARATUS FOR MOTOR
COORDINATE INPUT DEVICE
NON-VOLATILE SEMICONDUCTOR STORAGE DEVICE
OPTICAL FUNCTIONAL ELEMENT, SINGLE CRYSTAL SUBSRATE FOR THE ELEMENT, AND METHOD FOR USING THE ELEMENT
SYSTEM OF PROVIDING RANKING INFORMATION ABOUT ARCADE GAME EQUIPMENT
HEALTHY LIFE SUPPORTING DEVICE
SELECTION SUPPORT SYSTEM FOR TRANSPORT MEANS
SPOT INFORMATION PROVIDING SYSTEM
SYSTEM FOR PROVIDING SPORT WATCHING INFORMATION
METHOD FOR PREPARING STRESS ANALYSIS MODEL FOR BOGIE FRAME OF ROLLING STOCK
EDUCATION SYSTEM PROVIDED WITH EXAMINATION PASSING INSURANCE
PHOTOMASK WITH FILM SURFACE PROTECTING LAYER AND METHOD FOR PRODUCING THE SAME
METHOD AND DEVICE FOR SUPPORTING PLANT OPERATION
SEMICONDUCTOR DYNAMIC QUANTITY SENSOR
KEY OPERATION DEVICE
PANHEAD
POLARIZATION ELEMENT AND OPTICAL HEAD
POSITIVE TYPE PHOTORESIST COMPOSITION
IMAGE-FORMING DEVICE AND IMAGE-FORMING METHOD
IMAGE FORMING APPARATUS, COLOR IMAGE FORMING APPARATUS, AND IMAGE READER