Did You Know...
...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
PatentStorm News
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 |
| 5471443 | Method of selectively concealing magneto-optical compact disk data for playback upon demand A method of prerecording data for later playback upon demand, the data operatively associated with a data storage medium having a first play location and a last play location, the storage medium adapted for use with a player or transcriber such that the m... | 11/28/1995 |
