"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 4908212 | Chewing gum designed to prevent tooth decay by blending a soluble extract of cacao bean husk Chewing gum designed to prevent tooth decay, for which a cacao bean husk is extracted by adding water or ethyl alcohol and an extract which is freeze dried after solvent is collected and concentrated by vacuum evaporation is added to the known raw materia... | 03/13/1990 |