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
Loudspeakers
摘要
申请公布号
US2808895(A)
申请公布日期
1957.10.08
申请号
US19550479624
申请日期
1955.01.03
申请人
MAYNARD CHAVE DONALD
发明人
CHAVE DONALD MAYNARD
分类号
H04R1/34
主分类号
H04R1/34
代理机构
代理人
主权项
地址
您可能感兴趣的专利
SURGICAL TOOL WITH COMPACT WRIST
METEORIC BURST COMMUNICATION SYSTEM
TOROIDAL TYPE CONTINUOUSLY VARIABLE TRANSMISSION, AND METHOD OF MANUFACTURING THE SAME
APPARATUS AND METHOD FOR SAMPLING CONCRETE CORE
SEALING SHEET, LIGHT EMITTING DIODE DIVICE, AND MANUFACTURING METHOD OF LIGHT EMITTING DIODE DIVICE
VIBRATION DAMPING DEVICE
RESIN COMPOSITION, METHOD OF MANUFACTURING PATTERN CURED FILM USING THE RESIN COMPOSITION, AND ELECTRONIC PART
SAFETY DEVICE
METHOD FOR PRODUCING OLEFIN RESIN COMPOSITION
AIR CONDITIONER
STEERING COLUMN DEVICE
REFRIGERATION DEVICE
DEVICE AND PROCESSOR
IMPROVEMENT IN VIDEO RATE CONTROL COMPLIANT WITH VIDEO CODING STANDARDS
HEAD-MOUNTED VIDEO DISPLAY DEVICE
COMPOSITION COMPRISING CARNOSIC ACID 12-METHYLETHER
HIGHLY HEAT CONDUCTIVE THERMOPLASTIC RESIN COMPOSITION
LIVING BODY IMAGE CAPTURING DEVICE AND ELECTRONIC DEVICE INCLUDING THE SAME
SMOKE SHIELDING DEVICE AND REPAIRING METHOD OF ELEVATOR LANDING DOOR DEVICE
METHOD FOR PRODUCING SOLIDIFIED AGGREGATE OF WASTE ION EXCHANGE RESIN
