"For a list of all the ways technology has failed to improve the quality of life, please press three."
Alice Kahn
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 |
| 5057824 | Electronic apparatus with on-switch to conserve battery before closing switch To provide a novel electrical personnel security system in which a battery is open circuited until ready for use and then energized while permitting a casing to remain sealed; a case for a transmitter supports a circuit board having a battery opening in i... | 10/15/1991 |