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 |
| 4475268 | Closure hinge improvements This invention is directed toward improvements in closure hinges of the type employing curved hinge sections which rotatably interconnect. A rigid link is employed at the ends of the hinge to help retain the hinge sections interconnected. Existing hinge e... | 10/09/1984 |
| 4437500 | Tree cutting mechanism in a tree harvester An improved tree cutting mechanism for a tree harvester. The mechanism employs two stacked circular saws which are rotated and moved forwardly to cut through a tree. A wedge between the saws moves pieces of the tree being cut between the saws out of the w... | 03/20/1984 |
| 4434525 | Hinge having open curved portions A hinge having first and second elongated hinge members. The two hinge members rotate one within the other between open and closed positions. The hinge members are constructed to avoid any longitudinal gaps between the hinge members in either the open or ... | 03/06/1984 |
| 4408369 | Mounting assembly for a folding closure A mounting assembly for use in movably suspending a folding closure from a curved track. The mounting assembly has a wheel assembly for running on the track and a connecting member for connecting the wheel assembly to the closure. The wheel assembly is ro... | 10/11/1983 |
| 4383569 | Folding closure A folding closure having an emergency folding door therein which has a height less than the height of the closure. A folding top closure section is provided in the closure above the folding door. Means detachably connect the folding door and the folding t... | 05/17/1983 |
| 4380260 | Folding closure with a sweeper An improved folding closure consisting of a plurality of panels joined at adjacent vertical sides by hinges. Means are provided on each panel for carrying a sweeper strip across the bottom of the closure. The carrying means include means for strengthening... | 04/19/1983 |