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| Number | Title | Issue Date |
| 7309825 | Guitdoorbell entry signal stringed instrument door chime A dual element door chime assembly, positioning pick and fixed mount miniature guitar door chime, which provides musical, door opening audible indication and visual guitar decorative theme. The apparatus can be easily adapted to various sizes of doors and a plethora... | 12/18/2007 |
| 6808641 | Method of wiring formation and method for manufacturing electronic components A method of wiring formation includes forming a feeder film partially on a substrate, forming on the substrate a plating base film via a physical film making method so that the plate base film partially overlaps the feeder film, forming a plated wiring on the platin... | 10/26/2004 |
| 6517376 | Positioning-sounding device for card puller A positioning-sounding device for a card puller, it generates a sound when an inserting and extracting member (an extended card) in the card puller is inserted in position to make sure that the member has been in position. Wherein, a sounding device is mo... | 02/11/2003 |
| 6418283 | Communications cartridge An article including: a container with an opening which container is adapted to accommodate and dispense the contents therefrom; a closure seal in contact with the container; and a signal module in communication with the closure. When the closure is infri... | 07/09/2002 |
| 4976214 | Door harps A door harp having a body portion with a front face and a back and at least two spaced apart pegs mounted on the front face having a tensioned string extending between them and a pendulum like chiming device extending from a bracket mounted on the front f... | 12/11/1990 |
| 4835520 | Talking alarm for openable compartment A message-generating apparatus for discouraging access to a compartment during predesignated time intervals. The apparatus includes a detector to determine when the compartment door is open and to produce a signal when this event occurs. If the event occu... | 05/30/1989 |
| 4711368 | Tamper proof package with electrical circuit A tamper proof package for determining whether or not a package has been opened or tampered with before opening the package is provided. The package has an electrical conductor of known resistance which is so positioned that any attempt to open the packag... | 12/08/1987 |
| 4607747 | Packaging for a product as well as use of the same A carton for gift merchandise is formed from a single blank that is cut and folded to be set up into a carton having a double-thickness wall between layers of which a battery powered signal generator is concealed and protected. Another wall of the carton,... | 08/26/1986 |
| 4606295 | Mechanical door chime powered by motion of the door A mechanical door chime powered by movement of a pivoting door in a frame includes means for mechanically storing energy, means for producing sound operatively coupled to the output of the energy storing means, a rigid inclined surface coupled to the door... | 08/19/1986 |
| 4583483 | Mechanical meter tampering indicator An apparatus for indicating meter tampering in a plug in meter with a transparent cover such as a watthour meter is disclosed which includes a spring loaded "mouse trap" mechanism including a tyne member adapted to be released so as to strike and rupture ... | 04/22/1986 |
| 4567846 | Magnetically operated door chime A magnetically operated door chime adapted for mounting on a door and door frame. The door chime includes a casing adapted for mounting on the door frame and having a plunger assembly mounted for reciprocation along a horizontal path perpendicular to the ... | 02/04/1986 |
| 4414912 | Burglar alarm The invention is an improved burglar alarm for doors and windows or other similar openings in an enclosure to be protected against secretive entry. The invention consists of a series or plurality of bell-like devices which are automatically dumped or knoc... | 11/15/1983 |
| 4094266 | Elevator audible signaling device An audible signaling device for elevator cars of the type having an access opening and a door slideably carried by the elevator car and movable from a closed position to an open position. The audible signaling device comprises a housing mounted to the ele... | 06/13/1978 |
| 4034697 | Fire extinguisher cabinet A fire extinguisher cabinet protectively encloses a fire extinguisher of the portable type and provides a transparent movable access panel through which the fire extinguisher may be readily seen. Movement of the access panel actuates an audible alarm to i... | 07/12/1977 |
