The first match was accidentally discovered in 1826 when John Walker scraped a stick with chemicals on the end against a stone floor.
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| Number | Title | Issue Date |
| 4322100 | Abutment swivel doorstop Improvements in a doorstop mechanism include a swivel bar mounted on a doorjamb to swing between a position in the path of the door to block its opening and a position retracted out of the path of door-opening movement. The stop bar can be held in door-bl... | 03/30/1982 |
| 4286810 | Manually operable latching device A manually operable latching device for use in securing a truck door in the open position during the loading and unloading process. The latching device comprises a cantilevered latching plate affixed to a truck trailer door and a pinning assembly secured ... | 09/01/1981 |
| 4244610 | Slidng window channel lock A lock for use in conjunction with a window panel slidably supported in a track of a channel member includes a stop member which is permanently and translatably secured in the track of the channel member. The track includes a generally tubular portion ext... | 01/13/1981 |
| 4240403 | Fireplace stove A fireplace stove comprising a generally rectangular metallic housing adapted to extend into a fireplace opening, with penetration being limited by a flange around the housing which engages and seals against the face of the fireplace. A metallic inner fir... | 12/23/1980 |
| 4198082 | Surface bolt A surface bolt which is latched against retraction when in a latching position and requires movement transverse to its length in order to unlatch the bolt for retraction.... | 04/15/1980 |
| 4184212 | Lift-front firefighter's hood Disclosed is a lift-front type hood adapted for use by firefighters which has an improved latching means. The hood comprises a helmet including a bump cap capable of fitting onto the top of the head of a wearer and a rigid liner attached to the bump cap a... | 01/22/1980 |
| 4176869 | Gate latching apparatus for animal closure panels Gate latching apparatus is provided for detachably hingedly connecting an end of a tubular animal closure panel member to a relatively fixed support post or the support structure. The panel member includes downwardly protruding hinge pin members at the up... | 12/04/1979 |
| 4106239 | Lockable window construction A window frame has one or more latches provided internally of a vent sill for pivotal engagement with a latch strike in the interior of a frame sill and a latch actuator extending outwardly through an opening in the inside face of the vent sill. A spring ... | 08/15/1978 |
| 4069997 | Waste receptacle cam lock with locking projection A waste receptacle cam lock with locking projection is provided to prevent the unauthorized removal of the waste receptacle from the mounting and supporting bracket. The cam lock associated with the primary supporting bracket and rotatably mounted from sa... | 01/24/1978 |
| 4062575 | Gate latch locking device A gate latch in which a locking bolt is located so as to extend through vertical guides at the opposite ends of a latch body. A keeper is mounted on the latch body at the end thereof distal from the free or latching end of the bolt and an offset portion o... | 12/13/1977 |
| 4029349 | Door hardware Fastening means for a hinged door consists of a locking cam shaped like an elongated hooked finger, swingable about a vertical axis to and from overengaged relation with a keeper pin to secure and release the door. The cam is tapered to reduced vertical t... | 06/14/1977 |
| 4021063 | Surface bolt A surface bolt adapted to be mounted on an inner or outer surface of a closure member, such as a door or window, the bolt being slidable in guides between positions into and out of engagement with a keeper, the bolt having a recess extending across its ou... | 05/03/1977 |
| 4008585 | Locking cover for meter clamping ring A locking cover for the ends of an electric meter retaining ring comprising a housing for assembly over the ends. The housing has an internal bracket with apertures aligned with a side aperture in the housing and positioned to be aligned with apertures in... | 02/22/1977 |
| 3989289 | Door hardware A generally arcuate camming finger is disposed at each end of a vertical lock rod which is rockable about its axis and which extends above and below the edges of a door of a cargo vehicle body such as an enclosed freight-hauling semi-trailer, or a large c... | 11/02/1976 |