Rock drill,申请号US19380190356-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	Rock drill
摘要
申请公布号	US2258951(A)	申请公布日期	1941.10.14
申请号	US19380190356	申请日期	1938.02.14
申请人	SULLIVAN MACHINERY COMPANY	发明人	CURTIS JOHN C.
分类号	E21B19/081	主分类号	E21B19/081
代理机构		代理人
主权项
地址

您可能感兴趣的专利

<i>Lychnis </i>plant named ‘Pmoore05’

Mounting channel for a stabilizer jack

Bag dispenser and container for dog waste disposal

Lighting fixture

Turn lamp for an automobile

Sports themed massage aid

Medicament package

Combination cabinet and sink with mirror

Sprayer rinse tank

Lower receiver for a firearm

Artificial grass utility mat with handles

Exercise device for situp

Ceramic support rail

Cover hood for a machine tool