Journal of the Franklin Institute, Volumes 241-260Pergamon Press, 1956 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, Volumes 241-260Pergamon Press, 1956 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] |