Recently Patented Inventions

• 6 July 1912
• journal article
• Published by Springer Nature in Scientific American
• Vol. 107  (1) , 13-14
• https://doi.org/10.1038/scientificamerican07061912-13

Abstract

Keywords

• COLUMNS
• PATENTED INVENTIONS
• AMERICAN
• SCIENTIFIC
• ARRANGEMENT
• INVENTORS
• ADVERTISING
• PATENTEES