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
Magnetic pickup
摘要
申请公布号
US2535479(A)
申请公布日期
1950.12.26
申请号
US19470749271
申请日期
1947.05.20
申请人
P. R. MALLORY & CO., INC.
发明人
AUST ROBERT J.
分类号
H04R1/16
主分类号
H04R1/16
代理机构
代理人
主权项
地址
您可能感兴趣的专利
CHEMICAL PROCESSING MICROSYSTEMS, DIFFUSION-MIXED MICROREACTORS AND METHODS FOR PREPARING AND USING SAME
PERSONALIZED FOLDERS
N-ACYL SULFAMIC ACID ESTERS (OR THIOESTERS), N-ACYL SULFONAMIDES, AND N-SULFONYL CARBAMIC ACID ESTERS (OR THIOESTERS) AS HYPERCHOLESTEROLEMIC AGENTS
SYSTEM AND METHOD FOR SWITCHING DIGITAL SUBSCRIBER LINE SERVICE
CLEANING PROCESS AND APPARATUS FOR SILICATE MATERIALS
SAMPLE VESSEL FOR TAKING BLOOD SAMPLES
METHODS AND APPARATUS FOR MIXING FLUIDS
PENCIL SHARPENER
METHOD AND APPARATUS FOR PROVIDING LATERAL SUPPORT TO A POST
GAS-LIQUID CONTACTOR WITH LIQUID REDISTRIBUTION DEVICE
CHIRAL METHYLPHENYLOXAZOLIDINONES
FILTER DEVICE
METHOD OF CONFIGURING ELEVATOR CONTROLS
COPY PROTECTION SYSTEM FOR RECORDING MEDIA
SYSTEM AND METHOD FOR INTERACTING WITH USER IN MANAGING DEVICE
EMBEDDED CAPACITOR FOR LOW TEMPERATURE CO-FIRED CERAMIC SUBSTRATE AND METHOD OF MANUFACTURING THE SAME
BUBBLING PLUG FOR GAS PURGING
THE DATA SYNCRONIZATION PROCESS OF HETEROGENEOUS DATABASE SYSTEMS USING SOAP(SIMPLE OBJECT AECCESS PROTOCOL) AND TIMESTAMP MECHANISM
METHOD FOR DESIGNING MEMORY IN WIDE PRINTHEAD MODULE AND INKJET PRINTER USING THE SAME
APPARATUS OF AIR CLEANING USING ROAD
