Well bucket,申请号US19280294300-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	Well bucket
摘要
申请公布号	US1743973(A)	申请公布日期	1930.01.14
申请号	US19280294300	申请日期	1928.07.20
申请人	LITTLE KNEUD E	发明人	LITTLE KNEUD E.
分类号	E21B27/00	主分类号	E21B27/00
代理机构		代理人
主权项
地址

您可能感兴趣的专利

Plastic container

Tooth brush timer

Lift-up with cover

Cockpit organizer

Mobile telephone

Faucet with pull-out spout

Faucet with pull-out spray

Ice cream cone air freshener

Carrier for samples or reagents

Combined cordless wet and dry vacuum cleaner

Self-propelled hand truck

Method and apparatus for encoding audio signals divided into a plurality of frequency bands

Device for biological tests

Innstillingsmekanisme for dosering, og en injeksjonssproeyte med en slik mekanisme