View finder for aerial cameras,申请号US19390252385-传众专利搜索

首页产品黄页商标征信

会员服务注册登录

法人/股东/高管

发明名称	View finder for aerial cameras
摘要
申请公布号	US2240931(A)	申请公布日期	1941.05.06
申请号	US19390252385	申请日期	1939.01.23
申请人	MARK HURD MANUFACTURING CORPORATION	发明人	HURD MARK M.
分类号	G02B23/14;G03B37/04	主分类号	G02B23/14
代理机构		代理人
主权项
地址

您可能感兴趣的专利

Charging device and image forming apparatus

Variable length slot fed dipole antenna

System for indicating and signaling the presence of snow and ice

Fuse interruption indicator and integral extractor

Compensation of transient frequency drift in oscillator circuits

Repetitive signal detector for preventing thermal runaway

Single event upset immune logic family

Measuring cell for use with a sensor for measuring the mixture ratio of liquids

Method of measuring wheel speed sensor impedance

Draft inducer air flow control

RF plasma source and antenna therefor

Arc lamp with a triplet reflector including a concave parabolic surface, a concave elliptical surface and a convex parabolic surface

Asynchronous to synchronous particularly CMOS synchronizers

Static induction semiconductor device with a distributed main electrode structure and static induction semiconductor device with a static induction main electrode shorted structure

IR-based nitric oxide sensor having water vapor compensation

Coaxial nozzle for surface treatment by laser irradiation, with supply of materials in powder form

Miniaturized incremental encoder

Process for reducing cure time in epoxy resins cured with methylenedianiline and derivatives

Epoxy resin-based cathodic electrodeposition paint containing hydrophobic monoepoxide-amine adducts

Substituted cyclopentadienyl compounds for the treatment of inflammation