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7350837 |
Door jam security device and method of using same
The invention is a special bar assembly that could be easily installed on a steel door of a commercial building. The invention comprises a permanent door piece, door mounting hardware, and a lock...
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6601881 |
Push-action door release device and method of installing the same
A door release device ( 10 ) includes a pivot bar ( 40 ) on which a push plate ( 44 ) and an actuator ( 48 ) are mounted. The actuator ( 48 ) is aligned with a door latch handle ( 20 ) and the...
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6560925 |
Door security device with glue on attachment
A security device for one or more doors or windows which includes an elongated support bar, an attachment mechanism mounted to the support bar, at least one receiving member attached to a structure...
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5984380 |
Tether assembly
A tether assembly for tethering an object, which tether assembly includes a cable having opposite ends and a connector attached to one of the opposite ends, and a retaining block for securing the...
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5622397 |
Door security device
A door security device which includes a support bar having first and second ends, at least one blocking means disposed between the ends of the support bar, attaching means mounted to the support...
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5605364 |
Doorway security device and method of using same
A barricade to prevent a door from being opened and entry gained by an unauthorized or unwanted person. The doorway security barricade apparatus removably attaches to a door frame and includes a...
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5535550 |
Door structure
A door structure includes a main door having an opening defined therein. A first and second auxiliary doors are hingedly fitted in the opening. A first and second latches are movably mounted on one...
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5496081 |
Door security device
A door security device includes an elongate support bar, attachment mechanism mounted to the support bar, opposing blocking members attached to opposing ends of the support bar, and an actuation...
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5364140 |
Door security device
A door security device includes an elongate support bar, attachment mechanism mounted to the support bar, opposing blocking members attached to opposing ends of the support bar, and an actuation...
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