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
Portable loud speaker
摘要
申请公布号
US1884280(A)
申请公布日期
1932.10.25
申请号
US19310540683
申请日期
1931.05.28
申请人
GENERAL ELECTRIC COMPANY
发明人
SCHELDORF MARVEL W.
分类号
H04R1/02
主分类号
H04R1/02
代理机构
代理人
主权项
地址
您可能感兴趣的专利
AIRBAG FABRICS WOVEN FROM SLIT-FILM POLYMERIC TAPES
COMPOSITIONS MONOVALENT FOR CD28 BINDING AND METHODS OF USE
SILICON CARBIDE SUBSTRATE MANUFACTURING METHOD AND SILICON CARBIDE SUBSTRATE
METHOD AND STRUCTURE FOR STABLIZING A VERTEBRAL BODY
MACROMOLECULAR ULTRATHIN-FILM DISPERSION AND PREPARATION METHOD THEREFOR
Ultraviolet Sterilizer for beddings
Attachable and detachable sneakers tongue cover.
SYNTHETIC RECEPTORS FOR IDENTIFICATION OF PROTEIN POSTTRANSLATION MODIFICATIONS
INSASSENERFASSUNG UNTER VERWENDUNG EINES DURCH EINEN LEITER ERZEUGTEN ELEKTRISCHEN FELDS
PIPE ASSEMBLY AND DISASSEMBLY TOOL
OTOMY CLOSURE DEVICE
COMPOSITIONS AND METHODS FOR MILD SEDATION, ANXIOLYSIS AND ANALGESIA IN THE PROCEDURAL SETTING
COOLING APPARATUS, DOUGH PREPARATION APPARATUS PROVIDED WITH SUCH A COOLING APPARATUS AND METHOD FOR COOLING DOUGH PRODUCTS
A METHOD FOR PRODUCING A POLYMER FILM WITH AN ARRAY OF CAVITIES THEREIN
A LOCATING SYSTEM AND A METHOD FOR OPERATING A LOCATING SYSTEM
GAS OIL COMPOSITION COMPRISING DIALKYL CARBONATE FROM BIOALCOHOL
VOICE PATTERN TAGGED CONTACTS
FOOD/DRINK CONTAINER
LINED PIPES WITH INSULATION
IMPROVED AIR-CONDITIONING DEVICE