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| Number | Title | Issue Date |
| 4590706 | Protective device for panes of windows and glass doors A device for protecting panes of windows and glass doors consists of a beam which may be removably engaged in mounting brackets at the sides of, or above and below, the pane, so that the beam is parallel to and spaced from the pane, one or more pressure p... | 05/27/1986 |
| 4577438 | Security window A security unit for a window opening in a building comprising an upper security panel in an upper portion of the window opening, and a lower security panel in the lower portion of the window opening. The lower panel is supported for sliding movement from ... | 03/25/1986 |
| 4575965 | Security grille apparatus for doors and windows Apparatus for securing a window or door that has a slidable sash includes a grille that has a set of spaced parallel bars that extend in the direction of motion of the slidable sash. The grille fits into the frame of the window and is secured there by a l... | 03/18/1986 |
| 4573285 | Window intrusion barrier A safeguard system is provided to prevent unauthorized entry through an open window of a casement in which said window is vertically positionable. The system involves a barrier apparatus comprised of two framed gridwork panels in horizontally spaced copla... | 03/04/1986 |
| 4566222 | One piece window or door guard A window or door guard made of one piece of protective material which conceals hinging and locking components from view and shields them from forcible attack. The guard may be unlocked with a key from the outside, or without a key only from the inside the... | 01/28/1986 |
| 4532734 | Window intrusion barrier A safeguard system is provided to prevent unauthorized entry through an open window of a casement in which said window is vertically positionable. The system involves a barrier apparatus of adjustable horizontal size provided with posts that insert into c... | 08/06/1985 |
| 4478002 | Interior security window panel An interior security window panel for receipt inside the frame of a window and adjacent thereto to prevent the unlawful entrance through the window. The window panel secured to the inside of the window frame to prevent removal of the panel from outside th... | 10/23/1984 |
| 4438596 | Removable barrier assembly A removable safety barricade, comprising a cross piece supported by a retaining cup and a latch and able to withstand large forces. The latch supports the cross piece in a U-shaped, lower support area, the cross piece not normally being in contact with th... | 03/27/1984 |
| 4437265 | Safety guard The present invention provides a children's safety guard apparatus for installation into the frame of a window. A plurality of preferably square guard bars disposed in spaced relationship are connected to two support members, which are secured to the fram... | 03/20/1984 |
| 4400911 | Adjusting window security grill A security grill which may be placed within a window frame to prevent break ins. In one arrangement, the grill comprises a first channel member adapted to be affixed to the window sill and a second channel member adapted to be secured to the upper window ... | 08/30/1983 |
| 4400912 | Patio door and window guard system Improvement in an inside-installation system for barring intruders from access through an opening such as a patio door opening, said system of the type having a series of swinging, slidable rods suspended from an over-head track and held in spaced array b... | 08/30/1983 |
| 4399635 | Removable gate A gate for a building such as a barn or the like comprising a plurality of vertically spaced, horizontal pipes, and bracket means mounted on opposite sides of the barn opening and supporting the pipes at their respective heights.... | 08/23/1983 |
| 4394805 | Escapable-window-security-guard system An escapable guard system includes means for securance of a grill having at each side thereof to be attached to a window frame or the like a channel with legs outturned; for co-acting with channels of this type a self-protective fastening system is provid... | 07/26/1983 |
| 4384428 | Security closure A security gate or closure for securing an access opening or fire escape against unauthorized entry defined by a frame circumscribing the opening to be secured; a closure therefor; and a locking bar for securing the closure without a key lock which will p... | 05/24/1983 |
| 4343503 | Snap-on windshield for golf carts and like vehicles Windshields are mounted on rod frameworks from the front by means of an extruded resilient plastic member defining two perpendicularly disposed U-shaped cavities respectively for frictionally engaging and holding the windshield edge and the framework rods... | 08/10/1982 |
| 4325203 | Patio door and window guard system invention A guard system for preventing unauthorized entry through sliding patio doors and the like even when the glass is broken, while preserving unobstructed appearance when not in use, includes a set of vertical rods hung from a track secured across the inside ... | 04/20/1982 |
| 4283881 | Casement window security guard A security guard for mounting to a frame of a window opening in a building includes an elongated channel bar having a plurality of mounting pins secured to one end thereof and a key actuated lock visible and operable only from the interior of the building... | 08/18/1981 |
| 4226049 | Security ventilating system A security ventilating system for an arrangement of coordinated sliding doors comprising one or more lift-out metal grills each constructed to fit between one partially opened door or window and the door or window frame at each of several different openin... | 10/07/1980 |
| 4162590 | Burglar bar apparatus A burglar bar apparatus for mounting to a frame of a window opening in a building includes at least one extendable mounting member on at least one side edge of the apparatus and having substantially coextensive guard means externally protecting such mount... | 07/31/1979 |
| 4149342 | Window guard A pair of movable frame sections of a window guard are adapted for horizontal movement selectively to an inner retracted position and an outer extended position. Actuator means is operatively connected to the frame sections for moving the frame sections s... | 04/17/1979 |
| 4085788 | Reinforcing means for roll-up shutter A reinforcing means for a closure having a slatted, articulated, shutter for openings in a wall of a building, in the form of a readily detachable beam disposed in close proximity with the shutter. The lower end of the beam is attached to the frame of the... | 04/25/1978 |
| 4070048 | Releasable window guard A protective guard for ground floor windows of a dwelling or other building is disclosed herein having a barred grill or grid network releasably secured to the exterior edge marginal region of a window frame. The releasable securement includes a bolt exte... | 01/24/1978 |
| 4059923 | Security window guard An improved security cover for windows includes a metal frame dimensioned to fit within the window frame outside the conventional window, and key-actuated locking means visible and operable only from the inwardly directed side is provided in the metal fra... | 11/29/1977 |
| 4046482 | Protective cover for sewer grates A protective cover for sewer grates comprising a pair of spaced apart longitudinally extending bars having a plurality of transversely extending bars adjustably secured thereto and extending therebetween. The longitudinally extending bars are at least par... | 09/06/1977 |
