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
Signal device
摘要
申请公布号
US2245453(A)
申请公布日期
1941.06.10
申请号
US19400329683
申请日期
1940.04.15
申请人
THE A. E. RITTENHOUSE CO., INC.
发明人
WARREN GLENN E.
分类号
G10K1/066
主分类号
G10K1/066
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Process of epoxidation of oils
Photographic polyester film support
Thermosetting resin, and its production and use
Hollow-fiber permeability apparatus
Ion-selective electrode
Activated oxygen product and water treatment using same
Plated metallic cathode with porous copper subplating
Weatherstrip and method for sealing a gap
Method for producing miniature lamps
Method of and an apparatus for soaking steel pieces
Method of and an apparatus for making preforms from a pourable substance
Evacuation apparatus with cryogenic pump and trap assembly
Remotely controlled maneuverable tool means and method for positioning the end of a pipe string in offshore well operations
Clamp-connector for joining three tubular members at corners
Photographic camera with built-in optical converter
Shutter control means with auto strobo for electrical shutter camera
Supporting device for a strainer belt
Method of manufacturing a corrosion resistant rotor assembly
Deacetylated borate-biosynthetic gum compositions
Electrochromic display having enhanced night viewability
