Google Patents allows you to search the US patent database … millions upon millions of useful and useless inventions.
In the latter category: anti-eating face mask
In the former: Grandpa Sweet’s patent portfolio


| Gotta love googleGoogle Patents allows you to search the US patent database … millions upon millions of useful and useless inventions. In the latter category: anti-eating face mask In the former: Grandpa Sweet’s patent portfolio       |  | 
Alicia - That’s pretty impressive stuff…