Rejected Applications. Testimonials. The Examination of Inventions. Preliminary Examinations at the Patent Office. Caveats. Foreign Patents. Assignments of Patents. Extension of Patents. Sur tifeacbtung fur beuffcbe grfinber., scientific american, 1861-09-28

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Rejected Applications. Testimonials. The Examination of Inventions. Preliminary Examinations at the Patent Office. Caveats. Foreign Patents. Assignments of Patents. Extension of Patents. Sur tifeacbtung fur beuffcbe grfinber., scientific american, 1861-09-28

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