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
Blackboard cleaner
摘要
申请公布号
US2414872(A)
申请公布日期
1947.01.28
申请号
US19440517461
申请日期
1944.01.07
申请人
HARTER SPURGEON S
发明人
HARTER SPURGEON S.
分类号
B43L21/00
主分类号
B43L21/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
SYSTEMS AND METHODS FOR DETECTING DATA COMMUNICATION OVER A WIRELESS POWER LINK
DENDRITIC CELL VACCINES
ELEVATOR SAFETY CIRCUIT SHORTING TOOL
PLATELET SOLUTION FOR USE IN JOINT SURGERY
THERMAL MANAGEMENT
STAMPED LAMINATED STACKS FOR PARKING PAWL, PARKING GEAR AND PARKING ANCHOR
MOISTURE-CURABLE SILOXANES AND SILOXANE POLYMERS
IMPROVED EPITAXIAL LAYER
BARRIER AND PRIMING COMPOSITION
ENERGY CONVERTER FOR FOCUSING PHOTOVOLTAIC SYSTEMS
ETHYLENE-OCTENE COPOLYMER HAVING A UNIFORM COMONOMER DISTRIBUTION
SYSTEM AND METHOD FOR MANAGING VEHICLE THROUGH THE WIRELESS COMMUNICATIONS RELAY OF A VEHICLE REMOTE CONTROLLER
METHODS FOR THE DIAGNOSIS AND TREATMENT OF PARKINSON'S DISEASE
SIRNA HAVING ANTIVIRAL ACTIVITY AGAINST BOTH ENTEROVIRUS 70 AND COXSACKIEVIRUS A24, AND PHARMACEUTICAL COMPOSITION FOR TREATING AND PREVENTING ACUTE HEMORRHAGIC CONJUNCTIVITIS CONTAINING SAME
OPTICAL ASSEMBLY
COMBINABLE ELECTRODE NEEDLE BASE STRUCTURE
MULTI-VIEW CARGO SCANNER
UNIQUE MARK AND METHOD TO DETERMINE CRITICAL DIMENSION UNIFORMITY AND REGISTRATION OF RETICLES COMBINED WITH WAFER OVERLAY CAPABILITY
SEISMIC SYSTEM WITH GHOST AND MOTION REJECTION
MICRORNA AND USE THEREOF IN IDENTIFICATION OF B CELL MALIGNANCIES
