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
Antenna modulation to modify the directional response of receiving systems
摘要
申请公布号
US3248731(A)
申请公布日期
1966.04.26
申请号
US19620246840
申请日期
1962.12.24
申请人
HUGHES AIRCRAFT COMPANY
发明人
BICKMORE ROBERT W.;SHANKS HOWARD E.
分类号
H01Q3/22
主分类号
H01Q3/22
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Method of charging ballpoint pens
Method and apparatus for packaging
Stressed structural element
Continuous dehydrating apparatus
Animated speaking figure toy
Orthodontic device
Pipe or rod cutting tool having a disc type cutting wheel and toggle means to move said wheel in an operative or inoperative position
Retractable safety edge for doors
Fuel cell
Blends of vinyl acetate homopolymers and vinyl acetate copolymers
Plastic strip shrinking apparatus
Optical cauterizer
Kite
Single channel character sensing apparatus
VACUUM CLEANERS
Corner post
Vessel lining method
Thermosetting aziridine resins
Transmission mechanisms for vehicles having a power unit with built-in transmission and final drive
Unsaturated polyester curing system consisting of cumene hydroperoxide, methylethyl ketone peroxide and thioglycolic acid