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
Filing cabinet
摘要
申请公布号
US1787552(A)
申请公布日期
1931.01.06
申请号
US19290405691
申请日期
1929.11.08
申请人
AMERICAN TELEPHONE AND TELEGRAPH COMPANY
发明人
RICE JOHN S.
分类号
A47B63/02
主分类号
A47B63/02
代理机构
代理人
主权项
地址
您可能感兴趣的专利
SERVING SYSTEM FOR MEMBERSHIP AV SOFTWARE OR THE LIKE
PICTURE ENCODER
INFORMATION PROCESSING SYSTEM
METHOD AND DEVICE FOR TESTING WELDING CONDITION OF SPOT-WELDED PART
ZINC NEGATIVE ELECTRODE FOR ALKALINE STORAGE BATTERY AND ITS MANUFACTURE
RECTANGULAR SHAPE NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
LITHIUM ALLOY NEGATIVE ELECTRODE FOR SECONDARY BATTERY
SOLID POLYMER ELECTROLYTE TYPE FUEL CELL
GAS DIFFUSION ELECTRODE AND ITS MANUFACTURE
OPTICAL SPACE TRANSMITTER
TELECOMMUNICATION CABLE
OPTICAL ELEMENT FOR AUTO-FOCUSING
MODEM DEVICE
RARE-EARTH ELEMENT DOPED MULTICORE FIBER AND OPTICAL AMPLIFIER EMPLOYING THE SAME
PACKET SWITCH WITH MULTIADDRESS FUNCTION
OPERATING PART DISPLAY METHOD FOR COPYING MACHINE
IMAGE FORMING DEVICE
TONER DENSITY CONTROL METHOD
DEVICE FOR REMOVING DEVELOPING MATERIAL
AUTOMATIC DOCUMENT FEEDER
