"The wireless music box has no imaginable commercial value. Who would pay for a message sent to nobody in particular?"
David Sarnoff, American radio pioneer ; 1921
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 |
| 5678862 | Indicating device An indicating device (2) for indicating dates upon which events such as procedural steps should take place, said device (2) comprising a first disc (4) having a first field )24) which includes a plurality of first dates and at least one second field (26) ... | 10/21/1997 |