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
TENSIONED PROJECTION SCREEN
摘要
A projection screen apparatus having a perimeter frame and a substantially blank screen is provided.
申请公布号
US2013271831(A1)
申请公布日期
2013.10.17
申请号
US201313915265
申请日期
2013.06.11
申请人
DRAPER, INC.
发明人
ENOCHS STEVEN E.
分类号
G03B21/56
主分类号
G03B21/56
代理机构
代理人
主权项
地址
您可能感兴趣的专利
NEW METHOD OF PRODUCING CARBON FIBRES WITH A HIGH MODULUS OF ELASTICITY
HEAT-RESISTANT RESINS
QUINOLINE DERIVATIVES
DEVICE AND PROCESS FOR HEATING OR COOLING ARTICLES
A TOOL SPINDLE ASSEMBLY FOR MACHINE TOOLS
IMPROVEMENTS IN OR RELATING TO LOCATING AND LOCKING DEVICES
ROOFING OR WALLING CONSTRUCTED FROM PANELS
IMPROVEMENTS IN OR RELATING TO FOOTWEAR CONSTRUCTION
THERMOELECTRIC DEVICES
IMPROVEMENTS IN INFORMATION BOARDS
IMPROVEMENTS IN LIGHT DEFLECTORS
FREQUENCY MEASURING DEVICE FOR MEASURING REPETITION RATE OF PULSE SIGNAL
IMPROVEMENTS IN OR RELATING TO ANTENNA
BRAKE SYSTEM
TRANSFER DEVICE FOR TRANSFERRING ELECTROSTATIC TONER IMAGES
DEFORMABLE BEARING MEMBER
DATA PROCESSING SYSTEMS
METHOD OF AND APPARATUS FOR CONNECTING METAL PLATES TOGETHER
CHECK-OUT COUNTER WITH PIVOTED CASH REGISTER
REFILL BAG PACK INSERTING MECHANISM FOR AUTOMATIC BAGGER
