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
Educational device
摘要
申请公布号
US2435097(A)
申请公布日期
1948.01.27
申请号
US19460668523
申请日期
1946.05.09
申请人
PHILLIPS GEORGE R
发明人
PHILLIPS GEORGE R.
分类号
G09B17/00
主分类号
G09B17/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
METHODS FOR NON-TOXIC TREATMENT FOR DRUG WITHDRAWAL
MODULATORS OF OPIOID RECEPTORS AND METHODS OF USE THEREOF
Aryl- or Heteroaryl-Substituted Benzene Compounds
COMPOSITIONS FOR IMPROVING CELL VIABILITY AND METHODS OF USE THEREOF
METHODS AND COMPOSITIONS FOR THE MANAGEMENT OF CANCER USING 2-DG AND AN IGF-IR INHIBITOR
COMPOSITIONS AND METHODS TO CONCURRENTLY TREAT AND/OR PREVENT MULTIPLE DISEASES WITH CUPREDOXINS
MARINE DIESEL ENGINE LUBRICATING OIL COMPOSITIONS
SUB-TOTIPOTENT STEM CELL PRODUCT AND APPARENT HEREDITARY MODIFYING LABEL THEREOF
ELECTRICALLY CONDUCTIVE RUBBER COMPOSITION, TRANSFER ROLLER, AND IMAGE FORMING APPARATUS
TOOL CHANGING SYSTEM AND METHOD
PORTABLE EXERCISE DEVICE PROVIDING CONSTANT FORCE OUTPUT
CONTROL APPARATUS FOR VEHICLE
AUTOMATIC TRANSMISSION
CHAIN GUIDE AND CHAIN TRANSMISSION DEVICE
SYSTEMS AND METHODS FOR CONFIGURING AND MODIFYING OFFERINGS AND/OR ASPECTS OF OFFERINGS
SWEAT EQUITY FUND MANAGEMENT SYSTEM
OUTPUT OF ADVERTISEMENT UTILIZING EXCHANGE OF ITEM DATA
Method of Delivery, Targeting, and Measuring Advertising over Networks
METHOD AND SYSTEM TO EVALUATE CONTACTS
CONTEXT-SPECIFIC EXPERIENCE SAMPLING METHOD AND SYSTEM
