Bizarre Patents
A banana protective device for storing and transporting a banana carefully.
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 |
| 4731841 | Field initialized authentication system for protective security of electronic information networks An authentication system for electronic information networks having small hand-held portable authenticating devices which are remotely initialized and can use 4 bit microprocessors in a challenge-response security system and yet permit practical communica... | 03/15/1988 |
