Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 7367538 | Suspension system for HVAC equipment A system for suspending an HVAC unit from one or more wood truss members through the use of one or more top lock plates connected to a top support member, one or more channels connected to the top of the HVAC unit, one or more bottom lock plates slidably connected t... | 05/06/2008 |
| 7360809 | Kick-in resistant door reinforcing assembly A kick-in resistant door reinforcing assembly consisting of a doorway hook having a laterally outwardly extending doorway engaging face; a jamb hook having a laterally inwardly extending jamb engaging face; and at least a first hook interconnecting flexible band spa... | 04/22/2008 |
| 7320453 | Suspension system for HVAC equipment Generally, the present invention (referred to also as the “suspension system”) is incorporated in a system for suspending an HVAC unit from one or more wood truss members through the use of one or more top lock plates connected to the wood truss, one or more bot... | 01/22/2008 |
| 7299731 | Paper trimmer A material trimmer including a base having a support surface and a cutting region having a channel. A plate is movably attached to the base and includes oppositely facing upper and lower surfaces, an elongated slot therethrough, an elevated portion proximate each si... | 11/27/2007 |
| 7175149 | Anti-tipover device An anti-tipover device for retaining an object adjacent a structure, the anti-tipover device comprising an elongate flexible link element including opposing first and second end sections, the first and second end sections defining first and second longitudinal axes,... | 02/13/2007 |
| 7165793 | Door jamb security plate A reinforcing plate comprising an elongated portion adapted to be secured to a door jamb; a plurality of tabs perpendicular to the door jamb and adapted to be secured to one or more studs adjacent the door jamb; and an L-shaped connecting portion between each tab an... | 01/23/2007 |
| 7097219 | Encapsulated striker assembly A striker assembly for latch engagement has a striker piece and a striker mount which encapsulates a portion of the striker piece to secure and mount the striker piece on a structure for engagement with a latch. In one embodiment, the striker mount is formed by a pa... | 08/29/2006 |
| 7021678 | Four position gate latch assembly A four position gate latch (20) that is used to fasten and lock a gate. The gate latch includes a self fastening gravity gate latch (22) that is fastened to one face of the gate. A gate latch bracket (28) is fastened to the gate on an opposed fa... | 04/04/2006 |
| 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 |
| 7000292 | Chain keeper and method of retaining a chain A chain keeper for retaining a chain operatively connected to a driving mechanism of a chain hoist system. The chain keeper has a support bracket and a pair of plates. The support bracket is mountable onto a fixed structure, and has a substantially vertical longitud... | 02/21/2006 |
| 6993944 | Dead bolt lock A dead bolt lock having a slot or slots for insertion on a dead bolt and legs for spanning the underlying door knob of a door to secure the dead bolt. In an adjustable embodiment the dead bolt lock includes a lock housing having a circular rim and downwardly-extendi... | 02/07/2006 |
| 6929290 | Adjustable button mechanism for a lock An adjustable button mechanism for a lock includes: a driving tube of a hollow tubular shape, having a first end and a second end, the first end connecting to a driving mechanism of the lock, the second end forming a positioning slot; a connecting member having a fi... | 08/16/2005 |
| 6923127 | Anti-prying device for use with a safe An anti-prying device for limiting thefts caused by prying a safe from its anchorings. The anti-prying device including a member which is extended between a safe protrusion and a floor. The anti-prying device limits access between the floor and the safe protrusion t... | 08/02/2005 |
| 6478348 | Door or gate retainer A holdback device for holding a door or gate in either an open or closed position is described. A plate member is affixed to a support, adjacent the vertical side edge of the door in the selected open or closed position, and is provided with an upstanding... | 11/12/2002 |
| 6394510 | Sliding door locking system A sliding door locking system which provides a connection between a sliding door and a fixed track in which the door slides to prevent relative movement of the sliding door with respect to the track along the X, Y, and Z axes.... | 05/28/2002 |
| 6364381 | Queue clip for control gates A queue clip for mounting to a control gate includes a holder having a nose extending from one wall of the holder. A tongue is cantilevered off the nose and may be angled to either side of the nose. The tongue preferably supports a chain linking one crowd... | 04/02/2002 |
| 6332344 | Deadbolt security chain A security device which is mounted on a door adjacent a deadbolt lock. The security device is a chain which will have a link with a ring at one end which is passed around the knob on the deadbolt to prevent the deadbolt knob from being turned and, therefo... | 12/25/2001 |
| 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 cable to a support. The retaining block includes two parall... | 11/16/1999 |
| 5875660 | Anti-snooping device for apartment dwellers An anti-snooping device for doors to apartments comprising a locking mechanism and a relatively low-strength, "tamperproof" seal capable of engaging the locking mechanism, the locking mechanism being capable of disengagement without, however, compromising... | 03/02/1999 |
| 5716084 | Door security system A multi-position door security system that provides a primary locked position keeping a closed door secure and also providing varying degrees of secure openings to allow a user to see outside or accept envelopes and packages through an opening. The invent... | 02/10/1998 |
| 5707095 | Dual function striker pin for vehicle tailgate assembly A tailgate assembly for an automotive vehicle has a tailgate for providing access through an opening in the vehicle when in an open position and for blocking access through the opening when in a closed position. A pair of dual function striker pins, one o... | 01/13/1998 |
| 5669256 | Door lock mechanism with a release button A door lock mechanism includes a retainer housing mounted to a doorframe and a chain housing mounted to a door plate. The retainer housing includes a retaining slot defined in a lateral side thereof and a lock core mounted therein. A lock piece is pivotal... | 09/23/1997 |
| 5647233 | Door locking mechanism A door locking device includes a housing having a lateral hole and a stop rotatably engaged in the lateral hole. A chain has one end secured to a door panel and has a head secured to the other end for engaging in the slot. A latch is extendible inward of ... | 07/15/1997 |
| 5573289 | Entry way security chain A security means for a door or other passageway to allow the user the option of reducing tension on the securing means to open the door or other passageway slightly while still providing security by the use of a passageway security system comprising a cha... | 11/12/1996 |
| 5551739 | Chain lock for trailer doors or mobile home doors A chain lock for securing doors having a chain connected to a first mounting member at one end and to a locking member at the other end, the locking member for inserting through an eye defined on a second mounting member attached to the door.... | 09/03/1996 |
| 5466022 | Safety cable lock for knob-operated door A safety cable locking device for a knob-operated door mounted in a door frame including a framing stud. The device comprises an anchor member, a wire plastic covered cable, a lag bolt and a bushing. The anchor member contains the bushing and is fastened ... | 11/14/1995 |
| 5465595 | Dead bolt pass key lock A dead bolt operating knob is immobilized by dual sleeves mounted on a rod-like support and biased toward each other to surround opposing portions of the dead bolt operating knob. The end of the elongated support opposite the sleeve members is secured in ... | 11/14/1995 |
| 5462319 | Lock for inswinging doors A lock for an inswinging door which includes a retainer plate secured to the door jamb by elongated screws extending into and securely anchored to a wall stud or other secure anchor internally of a wall structure. The retaining plate is relatively thin an... | 10/31/1995 |
| 5447345 | Security bar A security bar assembly for preventing a door connected to a door frame mounted on a wall from being forced open, said security bar assembly including a rigid bar extending horizontally across the width of the door for preventing the door from being opene... | 09/05/1995 |
| 5427422 | Door security system A door security system that includes an interior component system, an exterior component system, a hinge screw component, and a door striker component. The interior system consists of a pair of plates, one mounted on the door and the other mounted on the ... | 06/27/1995 |
| 5285666 | Combined dead lock and safety chain type door lock A door locking mechanism of the chain guard type which can be used as a dead lock and in a manner similar to currently popular regular safety chain type door locks. The mechanism comprises a bolt keeper formed with at least one elongated slot terminating ... | 02/15/1994 |
| 5217270 | Door guard shield Door Guards are shielded from outside access with hand tools while in the open guarded position. The shields close off the opening space between the door and the jam and can be shaped to provide no leverage positions or grasping surfaces which can be used... | 06/08/1993 |
| 5152563 | Door security lock A door locking device for preventing an opening of a hinged door. The locking device of the present invention includes a door jamb restraint independent of the conventional striker plate and secured to a door facing surface of the door jamb. In one embodi... | 10/06/1992 |
| 5076624 | Door chain device A door chain device not allowing the disengagement of its engaged member from a door-side member by manipulating the chain from the outside. In the door chain device wherein a chain is fixed at one end to the door frame and has an engaging member at the o... | 12/31/1991 |
| 5020840 | Gate latch A gate latch including an anchoring member for mounting on a gate post, a chain having one end mounted on the anchoring member and having a latching tab mounted on its other end, a keeper mounted on the gate post, the keeper having a shank with a horizont... | 06/04/1991 |
| 5016453 | Timed refrigerator lock A timer controlled lock operating device for a refrigerator or the like is provided and consists of a plate affixed to the side wall of the refrigerator, a link chain having one end secured to the plate, a housing affixed to the front door of the refriger... | 05/21/1991 |
| 4993760 | Door chain-locking device A door chain-locking device comprises a door-frame side locking unit and a door side locking unit. The frame-side locking unit has a locking bolt for permanently securing thereon the fixed-end link of a chain and a case for fixing the locking bolt. The do... | 02/19/1991 |
| 4974889 | Cable security device for door The security device comprises a length of cable (1) for spanning a door opening and two fixing means (2,3;4,5) secured to parts (7,8;11) defining that opening, the cable being securable at each end to the fixing means and being constructed and arranged in... | 12/04/1990 |
| 4941316 | Chain assembly The present invention discloses an improved chain assembly and a method for making the same. In general, the method of making a chain assembly in accordance with the present invention, comprises forming a plurality of links having a preselected shape and ... | 07/17/1990 |
| 4917422 | Portable latch door lock A portable latch door lock having a cable which extends around the door knob to balance the thrust of an opening door as shown and described. The latch includes a pin within the body which clamps the cable in a hole in the body when the mechanism is in it... | 04/17/1990 |
