Invention Grant
- Patent Title: Rotary engine.
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Application No.: US1898700057Application Date: 1898-12-22
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Publication No.: US664320APublication Date: 1900-12-18
- Inventor: HOFFMANN CHRISTIAN WILHELM
- Applicant: HOFFMANN CHRISTIAN WILHELM
- Assignee: Christian Wilhelm Hoffmann
- Current Assignee: Christian Wilhelm Hoffmann
- Priority: US1898700057 1898-12-22
Information query
