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 |
| 7192083 | Folding linkage A folding linkage, especially for a folding chair, has four pivoting bars. In the open position the first bar forms one side of a triangle. The second and third bars are colinear to form a second side of the triangle and the fourth bar forms the third side of a tria... | 03/20/2007 |
| 7168580 | Rack A first section of a rack includes a first lower wire bend, a second lower wire bend, a first upper wire bend, and a second upper wire bend. The first section also includes a first pivot coupling into which is received a first end of each of the first and second low... | 01/30/2007 |
| 7101324 | Portable exercise apparatus Portable exercise apparatus comprising a collapsible support bench having a pair of movably connected leg members at both ends thereof, the leg members being movable between a storage position wherein they are disposed adjacent to each other and an open support posi... | 09/05/2006 |
| 7021705 | Children's chair A child safety, folding seat includes support members pivotally joined to a seat member. The seat member pivots between folded and unfolded conditions, and a lock locks the seat in the unfolded condition when the seat members is unfolded. Preferably, the lock is spa... | 04/04/2006 |
| 6979056 | Beach chair with movable shade The folding chair with a movable shade includes a back support frame and a flexible back support, a seat support frame and a flexible seat and a cross frame member pivotally mounted between the back frame and the seat support frame to provide an angular seating posi... | 12/27/2005 |
| 6877804 | Folding chair A folding chair having a novel hinge and joint surface configuration that forms a substantially rigid structure approximating conventional non-folding chair designs. In one embodiment, the present invention provides a folding chair comprising a seat frame, a backres... | 04/12/2005 |
| 6698828 | Folding chair A folding chair having a novel hinge and joint surface configuration that forms a substantially rigid structure approximating conventional non-folding chair designs. In one embodiment, the present invention provides a folding chair comprising a seat frame... | 03/02/2004 |
| 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 |
| 6547324 | Portable chair A portable chair has a front and rear seat support frames hingably joined for rotating the seat support frames between a first folded mutually aligned position for carrying the combination, and a second unfolded, spread apart position for sitting. The cha... | 04/15/2003 |
| 6406091 | Folding chair A folding chair includes collapsible rungs permitting folding in two directions. Stability is further enhanced by the upholstery which further forces the top rung of the chair downward making the chair rigid in the open position. Side rails and back suppo... | 06/18/2002 |
| 6364409 | Folding chair A folding chair includes collapsible rungs in a backrest and seat permitting folding in two directions. Stability is further enhanced by the upholstery which further forces the top rung of the chair downward and the center rung rearward, making the chair ... | 04/02/2002 |
| 6048023 | Multi-function support apparatus Multi-function support apparatus includes a support frame and a backpack carrier frame pivotally connected to the support frame. The apparatus is convertible to alternatively form a chair, a table-like support for a backpack or for use on the back of a ba... | 04/11/2000 |
| 5927798 | Convertible chair and backpack In a combined backpack and folding chair, the chair has a camp stool base frame. A pivoting backrest is held in upright position on the stool frame by in-turned, truncated ends at the bottom of a backrest frame, which strike the camp stool frame. Alternat... | 07/27/1999 |
| 5722717 | Portable seat with storage compartment A portable seat includes a storage compartment located beneath a seat cover of the seat. The seat cover of the seat normally extends between the legs of the seat to provide a seat surface. The seat cover, however, can be moved from this position to expose... | 03/03/1998 |
| 4613185 | Folding chair A folding chair having a first, seat frame and a second, backrest frame, the frames articulated to supporting leg frames and lateral armrests. A cup member is secured to the rear ends of the seat frame, and the backrest frame is hinged to the cup member. ... | 09/23/1986 |
| 4200331 | Folding chair A folding chair comprises a pair of U-shaped tubular legs pivoted to each other at middle points of arm portions thereof, a pair of seat supporting members each having end portions connected to corresponding upper end portions of the respective one of sai... | 04/29/1980 |
| 4103965 | Fishing chair A fishing chair comprising a pair of inverted U-shaped, two-legged folding leg sections wherein one leg of each section is pivotally secured to one leg of the other section. A collapsible seat member is carried by the upper ends of the leg sections. The c... | 08/01/1978 |
| 4087128 | Folding chair A folding chair of the type having generally rectangular, open, inner and outer frames pivotally connected together and nestable one within the other, a seat panel pivotally secured to one of the frames, and a seat back in the form of a generally rectangu... | 05/02/1978 |