Bizarre Patents
An automatic bed maker which uses the expansion of inflatable bladder to straighten, align, and tuck-in bed-cover assembly.
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 |
| 5204670 | Adaptable electric monitoring and identification system A personnel monitoring system includes a host central processing unit, or CPU, maintained by a supervising agency that automatically, or by request, receives and interprets data from individuals being monitored. The monitored individuals may wear or carry... | 04/20/1993 |
| 4952928 | Adaptable electronic monitoring and identification system A personnel monitoring system includes a transmitting or transponding unit that is worn or carried by the individual being monitored. This transmitting or transponder unit periodically, or upon request, transmits a uniquely encoded signal that identifies ... | 08/28/1990 |
| 4952913 | Tag for use with personnel monitoring system A tag for use with an individual monitoring system. The tag is worn by an individual being monitored, preferably on the ankle or leg where it can be concealed by the clothing of the individual. The tag is fully self contained and sealed. The circuits of t... | 08/28/1990 |
| 4918432 | House arrest monitoring system A house arrest monitoring system that automatically verifies the presence or absence of prisoners, patients or other personnel who are required to remain at a prescribed location or to report to the prescribed location at a certain time. The system includ... | 04/17/1990 |
| 4885571 | Tag for use with personnel monitoring system A tag for use with an individual monitoring system. The tag is worn by an individual being monitored, preferably on the ankle or leg where it can be concealed by the clothing of the individual. The tag is fully self contained and sealed. The circuits of t... | 12/05/1989 |
| 4724427 | Transponder device A transponder device receives a carrier signal from an interrogator unit. This carrier signal, of frequency F, is rectified by a rectifying circuit in order to generate operating power. Logic/timing circuits derive a clock signal and second carrier signal... | 02/09/1988 |
