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A self defense weapon formed as a memo pad and which is easily held by a person's fingers, therefore making it possible to provide protection from a mugger and also to quickly and easily write a record or a message without failure of missing or forgetting significant information under a stressful situation.
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| Number | Title | Issue Date |
| 7264644 | Methods and apparatuses for mounting a filtration housing for solid filtration media Methods and apparatuses for mounting a filtration housing for solid filtration media. One aspect of the invention includes a method for mounting an air circulation component to an air circulation system, wherein the air circulation component includes a center of gra... | 09/04/2007 |
| 7128643 | Removable vent having a filter for use in a building foundation A removable ventilator is equipped to hold an air filter, the ventilator being designed for placement in a building foundation, for example between concrete blocks. The front of the ventilator faces away from the building when the ventilator is installed. The rear o... | 10/31/2006 |
| 7117916 | Shield for a movable barrier A transition shield for a door system (10) having a pair of tracks (15), which include a vertical track section (16) and a horizontal track section (17) connected by a transition track section (18) supported at least partially by a... | 10/10/2006 |
| 7097557 | Insulated crawlspace vent apparatus, and methods of installing same An insulated crawlspace vent to provide airflow in a crawlspace in the summer and insulate it in the winter. An aluminum extrusion built as a picture frame is glued to the opening in the foundation of the crawlspace. An insulated door closes from the outside and is ... | 08/29/2006 |
| 7055571 | Shield for a movable barrier A door system (10) used in connection with an opening defined by a pair of jambs (11) and a laterally extending header (12) connecting the jambs, the door system including, a pair of tracks (15) mountable on the jambs, the tracks having a... | 06/06/2006 |
| 7040979 | Multi-season crawl space vent A vent assembly for a crawl space type vent opening in the foundation wall of a building has a front frame engaging the outer face of the wall around the opening, swappable venting plates for the front frame, and a rear frame engaging the inner face of the wall in t... | 05/09/2006 |
| 6971631 | Fluid damper A damper utilizing a frame having a base and a wall portion extending outwardly from the same. The wall portion supports a stepped edge which is positioned to at least partially circumvent and aperture formed by the frame. A plurality of flanges are positioned in ov... | 12/06/2005 |
| 6817942 | Multi-season crawl space vent A vent assembly for a crawl space type vent opening in the foundation wall of a building has a front frame engaging the outer face of the wall around the opening, swappable venting plates for the front frame, and a rear frame engaging the inner face of the wall in t... | 11/16/2004 |
| 6604994 | Simplified combustion air security vent A vent assembly for mounting in a passageway extending through an exterior wall to provide ventilation to the space bounded by the exterior wall includes an apertured panel exteriorly juxtaposed with a security grate to prevent unauthorized intrusion thro... | 08/12/2003 |
| 6601356 | Connector frame for ventilation opening A connector frame for use as a support member for mounting grilles at ventilation openings in a building structure. The connector frame allows the grills to be mounted in slightly different locations to hide imperfections at the edges of the ventilation o... | 08/05/2003 |
| 6574932 | Embeddable air duct block and method An embeddable air duct block includes a tubular member extending between a pair of rectangular plate members spaced from each other. The tubular member has a pair of open ends and an interior passageway. One plate member has an inner surface coupled to on... | 06/10/2003 |
| 6431980 | Combustion air security vent A vent assembly for mounting in a passageway extending through an exterior wall to provide ventilation to the space bounded by the exterior wall includes an apertured panel exteriorly juxtaposed with a security grate to prevent unauthorized intrusion thro... | 08/13/2002 |
| 6371846 | Method for ventilating secure facility and system and apparatus used therefor A security vent includes a housing, a drawer and a latch. The housing includes first and second ends defining a passageway in which the drawers receive. The drawer includes a filter receiving slot. The drawer is movable in and out of the passageway to pro... | 04/16/2002 |
| 6192640 | Double divisible connector frame for mounting air grilles and louvers to heating and cooling duct outlets A double divisible connector frame for use as a support member for mounting return grilles and louvers in a building structure which is rectangular in shape and having a planar surface on one side and a pair of precisely-similar spaced-apart continuous re... | 02/27/2001 |
| 6165066 | Multi-part foundation ventilator of variable preselected width A multi-part foundation ventilator. The ventilator has a first frame member with a first exterior peripheral edge flange, and, extending inwardly therefrom, a protruding wall portion of preselected width X1(A). The first inwardly protruding wal... | 12/26/2000 |
| 6149514 | Cover for foundation vents, kit and method for production thereof A method for fabricating a vent cover (10) with an insulating sheet (11) bonded on an inside face of an outer sheet (12). A sheet (11E) which serves as a gasket is provided on the inside face (12A) of the outer sheet. A kit (14) is provided with a preform... | 11/21/2000 |
| 5976007 | Security vent A security vent, providing a housing assembly mounted to a support, the housing assembly including a side wall portion having first and second distal ends thereof and defining a passageway therebetween; a drawer assembly having a filter-receiving slot the... | 11/02/1999 |
| 5799454 | Heat insulating outer wall for a building A heat-insulating outer wall for a building includes an inner air gap (7) with a partitioning wall (12) which separates the inner air gap into a first part (7a) and a second part (7b), which at the top is equipped with an outlet opening (11). The second p... | 09/01/1998 |
| 5746654 | Ventilator A vented frame (1) includes an air passage of L-shaped section having a horizontal portion (8) and a vertical portion (9). A ventilator (7) is inserted into the vertical portion and comprises an elongate main body with first and second openings (10), (11)... | 05/05/1998 |
| 5535559 | Ventilating device for mounting in a plastics foil or a similar flexible material A pipe-shaped ventilating device having a collar for mounting in a plastic foil or a similar flexible material, e.g. a water-tight foil placed on the rafters of a roof construction in order to provide for circulation from the air space under the foil, is ... | 07/16/1996 |
| 5496213 | Foundation vent A foundation vent (20) for use with concrete forms (31 ) includes two frames that telescope together into a plurality of locking positions to allow the width of the vent to be changed to match the thickness of the concrete wall. The first frame (26) inclu... | 03/05/1996 |
| 5487701 | Plastic foundation vent The plastic foundation vent embodying the invention comprises a plastic body with an integral peripheral rectangular wall surrounding the plastic body and defining opposed long sides and opposed short sides, an integral peripheral flange extends outwardly... | 01/30/1996 |
| 5460572 | Foundation ventilator A one piece molded plastic foundation ventilator. The ventilator includes a one-piece continuous and structurally jointless plastic tubular member having a first through passageway, with the tubular member having a front and a rear, and with the through p... | 10/24/1995 |
| 5447470 | Apparatus insuring distribution and automatic control of air supplies, in particular for ventilation of buildings An apparatus for the automatic control of ventilation of premises comprising a flexible flat membrane (11) attached by one of its edges in the interior of the casing (12) on the upper wall between two opposed openings (18) and (19). The upper wall support... | 09/05/1995 |
| 5444947 | Foundation vent A foundation vent (20) for use with concrete forms (31) is disclosed. The vent includes two frames that telescope together into a plurality of locking positions to allow the width of the vent to be changed to match the thickness of the concrete wall. The ... | 08/29/1995 |
| 5372544 | Air duct An automatic ventilator closure which operates on the basis of a pressure differential condition within the conduit is provided with an air flow detector to ensure that the control system for the closure does not cycle. The pressure sensor and air flow de... | 12/13/1994 |
| 5344366 | Ventilators A canopy for use with a ventilator slot extending through a window frame has pressure differential responsive flow control means arranged to progressively close the flow passage through the canopy as the pressure differential increases, thus preventing dr... | 09/06/1994 |
| 5195927 | Air intake apparatus for inner wall An air intake apparatus for an indoor wall of a barn. The air intake apparatus includes a frame structured to mount an insulated valve on either of its sides to accommodate orientation of the valve by a farmer. The frame further includes an integral trim ... | 03/23/1993 |
| 5088388 | Fresh-air intake with adjustable air deflectors An all season, adjustable fresh air intake for agricultural buildings is claimed which is adapted to adjust the volume, velocity and direction of fresh air drawn from the outside, through the intake and into the building suitably by exhaust fans. The inta... | 02/18/1992 |
| 5072659 | Heated door A heated ventilation door for a potato storage facility or the like is described comprising a door pivotally mounted in a support mounted in an opening formed in one wall of the storage facility. The door includes a hollow peripheral frame having heating ... | 12/17/1991 |
| 4794852 | Inlet Device An inlet device for the wall of a building for example an animal barn comprises a simple moulded rectangular body through which the air can pass having an open mouth at one end and an inlet surface in a lower downwardly facing surface on the outer side of... | 01/03/1989 |
| 4587891 | Ventilating device and method for making the same A venting device for ventilating new masonry, stone, precast veneer, or the like. The device comprises a conduit having an elongated body with a body wall and a first open end and a second open end. The first open end has a circumferential structure defin... | 05/13/1986 |
