Invention Grant
- Patent Title: Hydrating drive shoe
- Patent Title (中): 保湿驱动鞋
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Application No.: US12432369Application Date: 2009-04-29
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Publication No.: US08191650B1Publication Date: 2012-06-05
- Inventor: Clayton J. Domingue
- Applicant: Clayton J. Domingue
- Agency: Onebane Law Firm
- Agent Greg R. Mier
- Main IPC: E21B7/20
- IPC: E21B7/20
Abstract:
A drive shoe assembly used in helping penetrate earthen formations.
Information query
