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
Frames of spectacles and the like
摘要
申请公布号
US2083287(A)
申请公布日期
1937.06.08
申请号
US19360076424
申请日期
1936.04.25
申请人
FERDINAND BIRKENSTEIN
发明人
BIRKENSTEIN FERDINAND
分类号
G02C5/16;G02C5/18
主分类号
G02C5/16
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Orthodontic appliance with shoulder support for ligature.
Photoresists formed by polymerisation of di-unsaturated monomers.
Device for measuring displacement.
Method and apparatus for steering a vehicle.
Brushless motor.
Storage arrangement for scooter.
Heating apparatus and heater.
White electroconductive zinc oxide.
Amplifier drive circuit for inductive loads.
Trolleys.
Method and measuring apparatus for determining mechanical quantities, particularly an unknown weight.
Improving silicone mold and elastomer tool life.
HEART VALVE PROSTHESIS.
Plant transformation construct.
DIOXYDIPHTHALIC ANHYDRIDE
Avoidance of nickel sulfide stones in a glass melting operation.
Transition metal exchanged ionomer membrane for hydrocarbon separation.
Shiftregister for producing pulses in sequence.
Method and device for evaluating the rate of virtual circuits on a time division multiplex transmission path.
Demonstration device for ski bindings.
