Invention Grant
- Patent Title: Drilling machine
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Application No.: US48293121Application Date: 1921-07-07
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Publication No.: US1484809APublication Date: 1924-02-26
- Inventor: CARGILE CHESLEY B
- Applicant: CARGILE CHESLEY B
- Assignee: Chesley B Cargile
- Current Assignee: Chesley B Cargile
- Priority: US48293121 1921-07-07
- Main IPC: E01B31/06
- IPC: E01B31/06
Information query
