"What, sir, would you make a ship sail against the wind and currents by lighting a bonfire under her deck? I pray you, excuse me, I have not the time to listen to such nonsense."
Napoleon Bonaparte ; When told of the Robert Fulton steamboat
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| Number | Title | Issue Date |
| 7066504 | Slam latch and strike assembly A slam latch and strike assembly for latching together a pair of generally parallel relatively laterally displaceable support members, including a body adapted for connection with one of the support members, a latch member mounted for axial displacement between exte... | 06/27/2006 |
| 7014229 | Door stop and holder apparatus A door stop and holder apparatus (10) including a generally wedge shaped stop member (20) connected by a tether member (50) to a hollow receptacle member (40) the rear face (41) of which is affixed to a door (100) and the fr... | 03/21/2006 |
| 6976716 | Portable door lock A portable door lock includes a stop member and a connection plate, wherein the stop member has a slot defined therethrough and a rod is movably engaged with the slot. The stop member has two flat sides and one of which is to be contact an inside of a door. The conn... | 12/20/2005 |
| 6953211 | Anti-panic opening system for doors Anti-panic opening system for doors in which a lateral spring latch bolt (3) is actuated by an actuator assembly (10) including a first and a second movable actuating member (19, 20) designed to operate respectively in a first position in which ... | 10/11/2005 |
| 5984387 | Portable lock A portable lock for locking a door has a lock bar for insertion and retention between a door jamb and the latch side of a door. A housing is movable along the lock bar between a retracted position enabling pivoting movement of the door about its hinge bet... | 11/16/1999 |
| 5819561 | Security door-locking system A security door-locking system is described for locking closed doors of tractor cabs on truck tractors, for example, of the type used to pull over-the-road common truck trailers, and vehicles, etc., with similar pre-existing door latching systems. A flat ... | 10/13/1998 |
| 5664814 | Portable lock A portable lock for preventing a door from being opened from the outside. The portable lock has a body formed from two symmetric covers with two spring-biased pivoting handles and a slidable adjustment rod protruding from the assembled body. The adjustmen... | 09/09/1997 |
| 5325685 | Portable auxiliary door lock A portable auxiliary door lock includes a lock cylinder slidable upon a bar having toothed edges to engage the locking means within the cylinder. The device differs from such locks for sliding panels, as it provides for temporary attachment between the ed... | 07/05/1994 |
| 5297829 | Security lock for door A security lock for a door used to open and close an opening defined by a door frame, the door having a reciprocable bolt movable into and out of a hole in the door frame. The lock comprises an elongate lock member having a flat end section with a central... | 03/29/1994 |
| 5280977 | Auxiliary door lock A portable door lock having a base which can be attached to or inserted in a door jamb to extend therefrom into a room to be locked. An arm is attached to the base and is biased to a retracted postion where the door is free to swing open. The arm can be m... | 01/25/1994 |
| 4991888 | Child-proofing device for tape cassette players A child-proofing device for a tape cassette player having a flanged tongue element insertable through a cassette opening past the door thereof and adapted to be pulled back through an exterior block with detent means to hold the door closed, and to be rem... | 02/12/1991 |
| 4575140 | Door lock method and apparatus A door lock mechanism is provided for positioning on the inside of the door and preventing the opening of the door. The mechanism comprises a main plate which slips over the doorknob handle, and a modified strike plate having an aperture structurally arra... | 03/11/1986 |
| 4399672 | Auxiliary security lock assembly for a door An auxiliary lock assembly for a door hung in a frame consisting of a plate member having a portion disposed between the door and the door frame and extending inwardly of the door, a plate holding member having a slot receiving the extended portion of the... | 08/23/1983 |
| 4387919 | Portable auxiliary door lock A portable, auxiliary door lock includes a locking plate having an anchor adapted to be received in the striking plate opening of a door jamb. The locking plate is slidably received by a body portion that has a door-engaging face. The anchor and door-enga... | 06/14/1983 |
| 4169619 | Portable security lock A portable, lightweight security lock for doors comprising an elongate movable abutment member and an elongate catch member pivotally secured thereto. The abutment member has a laterally extending abutment portion for disposition in proximity with the doo... | 10/02/1979 |