Invention Grant
- Patent Title: Well-pulling machine.
- Patent Title (中): 推拉机
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Application No.: US1906329179Application Date: 1906-08-04
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Publication No.: US886989APublication Date: 1908-05-05
- Inventor: KRAFT OLIVER D , FETZER LOUIS W
- Applicant: KRAFT OLIVER D , FETZER LOUIS W
- Assignee: Oliver D Kraft,Louis W Fetzer
- Current Assignee: Oliver D Kraft,Louis W Fetzer
- Priority: US1906329179 1906-08-04
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