Recently Patented Inventions

• 9 March 1912
• journal article
• Published by Springer Nature in Scientific American
• Vol. 106  (10) , 221
• https://doi.org/10.1038/scientificamerican03091912-221

Abstract

Keywords

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