Did You Know...
...that the Eveready Battery began as an invention called the "electric flowerpot," which was a tube with a battery and light bulb inside? The idea was to fasten this gizmo to the side of a flowerpot so it would illuminate the flowers from the bottom. The idea died on the vine and the businessman who licensed the flower pot, Conrad Huber, was left with a pile of useless tubes -- until he found a way to market them as batteries to light the world!
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| Number | Title | Issue Date |
| 6774798 | Personal alarm system A personal alarm system for efficiently alerting individuals nearby that the user is possibly in danger. The personal alarm system includes a power source, a switch unit, and a speaker electronically connected to a control unit and positioned within an apparel membe... | 08/10/2004 |
| 5489045 | Door alarm/sprayer with options A portable anti-burglar device with optional fluid dispensing, alarm and fingerprint retention features is disclosed which when activated by the opening of a door or window or other violation of a secured aperture a spring biased actuating member operates... | 02/06/1996 |
| 5022340 | Portable mechanical burglar alarm A portable mechanical burglar alarm for monitoring doors and windows includes a base plate having a back surface provided with a plurality of suction cups for releasable securement adjacent a door or window. A pair of bells are secured in spaced relation ... | 06/11/1991 |
| 4759309 | Passive personal alarm device A passive air, gas aerosol or pressurized fluid activated personal self-protection screech alarm device that is armed prior to the person utilizing it entering into a potentially dangerous area or situation. The primary and radically different feature of ... | 07/26/1988 |
| 4484181 | Travel burglar/smoke alarm A portable apparatus for use by a traveler whereby the traveler is able to protect himself from unauthorized entry through a preselected door and simultaneously protect himself from a fire occuring in the room where the portable apparatus is located.... | 11/20/1984 |
| 4223804 | Personal defense device A portable defense device combining a flashlight with a renewable, interchangeable cylinder containing compressed gas which may be used to generate a noise, to disperse dye and/or an odoriferous spray. The compressed gas may be stored in a canister which ... | 09/23/1980 |
| 4194461 | Door alarm toy A door alarm toy comprising a whistle adapted to be sounded by air escaping from an inflated balloon; and a clip adapted for engagement between a door and its door frame to hang the toy with an inflated balloon pressed against the door to frictionally ret... | 03/25/1980 |
| 4194714 | Foldable purse hanger and whistle A hanger for womens purses, handbags, shopping bags, or other articles, is provided which consists of a pair of elongated hinged support arms with a rubber semi-cylindrical bail mounted at the distal end of one of the arms, and with some means at the dist... | 03/25/1980 |
| 4067289 | Portable mechanical alarm for doors, windows and the like A portable alarm useful for indicating unauthorized entry at doors and windows includes a housing and a bell casing mounted in the housing with a clacker arm rotatably mounted within the casing and adapted to create an audible signal. A trigger arm is mou... | 01/10/1978 |
| 4059299 | Auxiliary portable lock An auxiliary portable lock which comprises a housing, a lock body receivable within said housing, and adapted for axial rotation therein, said housing being internally communicative with a tubular casing axially normal to the longitudinal axis of said hou... | 11/22/1977 |
