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| Number | Title | Issue Date |
| 7185398 | Mechanical door closer A mechanical door closer (10) that includes a spring (20) mounted in a track (13) to urge the door (11) to a closed position. A brake assembly (24) controls that rate at which the door (11) closes. The brake assembly (24 | 03/06/2007 |
| 7003992 | Door hinge deadbolt A lock for installation on a pre-existing or new door is shown. The lock extends from the door through the hinge of the door and into the door frame and alternatively into the door frame and stud. This arrangement provides increased security and resistance against b... | 02/28/2006 |
| 6871382 | Door checker for automobile In a door checker for an automobile, including an intermediate recess which is formed in a side face of a check lever and deeper than a ball guide groove and into which a check ball is fitted by a biasing force of a check spring in order to generate a moderation res... | 03/29/2005 |
| 6595582 | Folding chair with safety latch device A folding chair with safety latch device. The device includes an anchor unit which has two ends pivotally engaged with a rear leg and a backrest bracket, and a slide unit coupled with the rear leg. The anchor unit and the slide unit have respectively a la... | 07/22/2003 |
| 5448797 | Selectable friction assisted door holder assembly An adjustable overhead mounted door holder assembly for attachment between a door jamb and a door to hold the door in an open position includes a jamb bracket attached to the door jamb and a jamb arm pivotally attached to the jamb bracket. A channel assem... | 09/12/1995 |
| 5448798 | Low profile overhead mounted door holder assembly An overhead mounted door holder assembly, for attachment between a door jamb and a door, to hold the door in an open position includes a jamb bracket attached to the door jamb and a jamb arm pivotally attached to the jamb bracket. A channel assembly havin... | 09/12/1995 |
| 5446944 | Rocker latch overhead door holder assembly A door holder assembly, for attachment between a door jamb and a door, to hold the door in an open position includes a jamb bracket attached to the door jamb and a jamb arm pivotally attached to the jamb bracket. A channel assembly having a longitudinally... | 09/05/1995 |
| 4040143 | Releasable door hold-open device A releasable door hold-open device or assembly is mounted on the header over a door panel. The assembly has a track channel with a top web and depending flanges. A door panel connector arm has a traveller movable in the track channel. A solenoid operates ... | 08/09/1977 |
| 3967843 | Window lock A window lock for double-hung windows utilizing extension elements joined to each separate window and telescopically mated one with the other with a latch assembly on one element and longitudinally spaced catches on the other element whereby the windows a... | 07/06/1976 |
| 3933383 | Latch A safety latch for holding a closure such as a door in its locked position or in a partially open position to enhance security. A pair of swingably connected links are provided in combination with a keeper. In one position of the links the closure is held... | 01/20/1976 |
