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
Adjustable spring cushion
摘要
申请公布号
US2238774(A)
申请公布日期
1941.04.15
申请号
US19380219682
申请日期
1938.07.18
申请人
NO-SAG SPRING COMPANY
发明人
HOPKES HENRY
分类号
A61G17/04
主分类号
A61G17/04
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Communication on hold
Media player interface
Hybrid integrated circuit device
Automotive passenger restraint and protection apparatus and seatbelt protraction and retraction amount-detecting device
Method for storing and retrieving digital image data from an imaging array
Board-to-board electrical connector and method for manufacturing same
Method, apparatus, and article of manufacture for error detection and channel management in a communication system
Fault tolerant data storage system
Method and apparatus for memory redundancy with no critical delay-path
Display method and apparatus for navigation system
Low crosstalk flat band filter
Ballast for operating electric lamps
Method of monitoring the temperature of a biochemical reaction
Two-stage interacting multiple models filter for use in a global positioning system
2T2C signal margin test mode using resistive element
Method of performing back-end manufacturing of an integrated circuit device
EL display using a semiconductor thin film transistor
Device for manufacturing a flexible strip of at least two different masses flowable with the addition of heat
Athermalization and pressure desensitization of diffraction grating based WDM devices
Method and apparatus to distinguish deposit and removal in surveillance video
