Journal of the Franklin Institute, المجلد 329 Pergamon Press, 1992 Vols. 1-69 include more or less complete patent reports of the U.S. Patent Office for years 1825-59. Cf. Index to v. 1-120 of the Journal, p. [415]. |
Journal of the Franklin Institute, المجلد 329Pergamon Press, 1992 Vols. 1-69 include more or less complete patent reports of the U.S. Patent Office for years 1825-59. Cf. Index to v. 1-120 of the Journal, p. [415]. |