Bizarre Patents
A gun that fires a missile, powered by gas "discharged by the operator of the toy."
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 |
| 6844808 | Method and apparatus for detection of warning system breach Base stations in an outdoor warning siren system monitor the system communication radio frequency to detect the command signals used to activate remotely located warning units. A valid command signal includes a portion identifying the base station generating the sig... | 01/18/2005 |
| 4600914 | Apparatus for directing attention to specific locations such as emergency exits Apparatus for identifying and directing attention to a location, such as an emergency exit, includes a series of sound generators arranged along a path leading from a remote site to the location. The sound generators are energized sequentially and individ... | 07/15/1986 |
| 4539555 | Fire and smoke protection device for use in buildings An anti-security control for unlocking the normally locked door which separates the corridor side and the stairwell side of buildings, such as hotels. The anti-security control is preferably adapted for use with and draws power from any conventional-type ... | 09/03/1985 |
| 4151514 | Manually programmable audible alarm system An audible alarm system provides for a manually operated switch by which the location of an emergency can be manually coded into a storage medium. An audible alarm is sounded in response to the operation of such switch, indicating an emergency. Following ... | 04/24/1979 |
