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
PIANO SOUND AUGMENTOR
摘要
申请公布号
US3452634(A)
申请公布日期
1969.07.01
申请号
USD3452634
申请日期
1967.04.07
申请人
JOHN W. QUITMEYER
发明人
JOHN W. QUITMEYER
分类号
G10C3/26;(IPC1-7):G10C3/06
主分类号
G10C3/26
代理机构
代理人
主权项
地址
您可能感兴趣的专利
THE BUTT WELDING OF TUBES
ELECTRICAL DEVICE AND METHOD OF MAKING SAME
SAFETY HOOK
A METHOD AND APPARATUS FOR FINISHING TREATMENT IN FLUIDS
A DRILLING MACHINE AND A METHOD OF OPERATING IT
IMPROVEMENTS IN OR RELATING TO FREQUENCY DIVIDER CIRCUITS
ACTIVE CARBON
EFFERVESCENT DYE COMPOSITIONS
ANALOG TO DIGITAL CONVERTER
CIRCUIT FOR CONTROLLING THE SPEED OF A DIRECT-CURRENT MOTOR
CARTON FOR FRAGILE ARTICLES
ELECTRIC MOTOR CONTROL
LINEAR DIMENSION MEASURING APPARATUS
VEHICULAR HYDRAULIC BRAKE SYSTEM
POLYMERISATION OF alpha-AMINO ACID N-CARBOXYANHYDRIDES
IMPROVEMENTS RELATING TO LIFT CONTROL SYSTEMS
METHOD OF PREPARING METAL-CONTAINING POLYMERS
LIFTING GEAR, PARTICULARLY LIFTING JACK
ANIONIC CATALYTIC POLYMERIZATION OF LACTAMS
HAND STIRRING DEVICE PRIMARILY FOR PAINT