Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7336157 | Illuminated wind indicator An illuminated wind indicator that provides visual indication of wind motion even at night. One or more chime members and a pendulum assembly are suspended from a support or housing, and arranged so that the chime members and the pendulum assembly are capable of col... | 02/26/2008 |
| 7221279 | Elimination—absorber monitoring system An elimination-absorber monitoring system addresses diaper-monitoring problems with a unique, low cost, multi-layer disposable sensor structure that absorbs small volumes of urine, yet allows most urine volume to flow unimpeded through it, and into the diaper below.... | 05/22/2007 |
| 7167092 | Abnormality detector and information apparatus using the same An information apparatus includes a housing fitted to a support substrate and having a hole portion on a surface opposing the support substrate, a cover part fitted to the housing, and an abnormality detection part disposed inside the housing, including a first mova... | 01/23/2007 |
| 7057515 | Pet-activated signaling assembly A pet-activated signaling device to allow a pet to signal a human includes a base, and a cover, associated with the base. A biasing element is operatively coupled between the base and the cover and is configured to provide a positive biasing force therebetween. At l... | 06/06/2006 |
| 6124782 | Wind-activated audio-generating apparatus A wind-activated audio-generating apparatus includes a sound-generating circuit and a wind switch having multiple contacts that are suspended from a support. When subjected to an air current, the contacts of the wind switch randomly strike one another and... | 09/26/2000 |
| 5831516 | Electromechanical chime The present invention relates to an electromechanical wind chime. The chime includes a disk from which a hammer assembly is suspended. Additionally, a plurality of tubular chimes are suspended from the disk and surround the hammer assembly. The hammer ass... | 11/03/1998 |
| 5668527 | Doorbell base A doorbell base is made integrally and composed of a receiving frame having a frame plate for fastening a PC board, a plurality of locating protuberances for fastening a plurality of striking devices, a plurality of receiving slots for locating batteries ... | 09/16/1997 |
| 5633625 | Electronic chime module and method An exponentially decaying chime sound is generated with a single tri-statable output pin from a microprocessor which is implemented using a single digital output pin line to create states of low, high and disconnect which are input to a control circuit fo... | 05/27/1997 |
| 5457437 | Sparking free circuit of electric horn An electric horn which comprises a diaphragm held at its peripheral portion in a housing of the horn and having an armature attached to a middle portion thereof; an electromagnet having a coil and disposed adjacent to the armature in an opposed relationsh... | 10/10/1995 |
| 5369391 | Sun powered electrically operated chime apparatus An electrically operated chime apparatus is provided and consists of a plurality of resonating members for producing audible sounds, attached to a suspended mounting plate and freely hanging therefrom. A mechanism, operated by electrical power which may b... | 11/29/1994 |
| 4631526 | Theft proof alarm bell assembly An alarm bell assembly wherein the working parts are located beneath and protected by the gong, and preferably also a cover for the assembly, being secured by means comprising a detector such as a micro-switch by which alarm drive is actuable when the bel... | 12/23/1986 |
| 3932868 | Alarm buzzer device An alarm buzzer device for a bicycle, emergency call or the like, incorporates an electric power source, for instance, a dry cell therein. The device comprises a housing accomodating various elements, such as a buzzer element, stationary and movable conta... | 01/13/1976 |
