Did You Know...
...that when IBM conducted a market study of Chester Carlson's invention in 1959, the company concluded that it would take only 5000 units of his new product to saturate the market? IBM therefore declined to be part of the new product introduction. Too bad for IBM. Carlson's invention was the xerography process, and his new product was the beginning of the Xerox Corporation. It is estimated that every day, worldwide, 3,000,000,000 copies are made!!
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| Number | Title | Issue Date |
| 7121047 | Flashing assembly A flashing assembly that incorporates a plurality of overlapping flashing sections that are each preferably formed from a sheet material. Each section includes opposite edge portions that are arranged about a generally V-shaped configuration. Joining the sections to... | 10/17/2006 |
| 6988345 | Lineal A lineal for framing openings in buildings that may provide a finished appearance to the opening being framed. The lineal may be comprised of a nailing hem and an overhang. The lineal may additionally comprise a channel portion. The lineal with a channel portion may... | 01/24/2006 |
| 6708463 | Method and apparatus for repairing roof covering An assemblage of sheet metal roof covering pieces is utilized in a novel process to recover and stiffen a deteriorated roof without the necessity for extensive removal of the original roof covering, the deteriorated roof structure further stiffened by spaced stiffen... | 03/23/2004 |
| 6619006 | Roofing shingle The present invention relates to a roofing shingle, which can surely prevent water such as rainwater from leaking through a roof. A roofing shingle has a rectangular plate (11) provided with first through fourth seam portions (11a-11d). The first and seco... | 09/16/2003 |
| 6457279 | Flashing member and frame for a roof-penetrating building part A flashing frame for a roof-penetrating building part, in particular in a roof window frame, comprises mutually connected frame members (6, 12) of weather-shielding material for positioning along the sides (1-4) of the roof-penetrating building part adjoi... | 10/01/2002 |
| 5636490 | Roof system A roof system and the method of producing same using rolls of material to provide continuous tiers or rows of roof covering over wood panels avoiding vertical roof seams. Plastic is first placed over the wood panels and then a metal cover such as aluminum... | 06/10/1997 |
| 5295339 | Simulated individual self-venting overlapping plastic shake A simulated shake shingle for replicating the random appearance of natural wood shakes is provided, the shingle including a generally rectangular top plate having forward and rearward ends, the top plate being rearwardly tapered. A generally rectangular b... | 03/22/1994 |
| 5165211 | Aluminum covered polystyrene roof tile and method of application to a roof A tapered polystyrene core having a front nose portion and rear edge covered with sheet aluminum. The rear edge has an L-shaped aluminum leg which snaps into a U-shaped locking flange screwed in place over a top surface of an abutting nose portion of anot... | 11/24/1992 |
| 4920709 | J-channel member for siding J-channel member comprises a relatively rigid plastic back leg and channel bottom wall, with spaced apart slits along the length of the back leg to permit bending of the bottom wall around a radiused opening, and a relatively flexible plastic front leg wh... | 05/01/1990 |
| 4577445 | Insulation panel assembly for use in the roofing and/or the cladding of walls of buildings The panel assembly comprises an elongate panel preformed from mineral fibres having a density of not less than 180 kg/m3 and having two major faces and two longitudinal side edge faces, two elongate metal sections, each comprising a web engagin... | 03/25/1986 |
| 4554862 | Roof ridge ventilator for retarding microbe growth in shingle roofs A roof ridge ventilator for the roof of a building having a shingled roof. The ventilator is formed substantially of zinc metal and has a longitudinally extending series of closely spaced drain hole punchings in the baffles thereof which are constructed a... | 11/26/1985 |
| 4292776 | Unitary combined backer and siding board A unitary combined backer and siding board is sufficiently thick and strong to eliminate the need for backer boards or plyscore as a substrate on the studs of the walls of a building. The board is standard, commercially available stock with parallel front... | 10/06/1981 |
| 4288959 | Roofing or siding article A weather and fire-resistant roofing or siding article, such as a shingle or panel, having a high thermal insulation value is cut from insulating board comprising fiber, binder and about 50 to 90% by weight expanded perlite. The article has adjacent butt ... | 09/15/1981 |
| 4233786 | Roof tile edge cover A tiled roof (1) has a plurality of rows of overlapping roof tiles (2) secured together along the rows in known manner. At the eaves (5) of the roof (1) the edges (10C) of the respective end tiles are covered over by respective edge covers (8). The covers... | 11/18/1980 |
| 4163351 | Architectural panel material for use as roofing material, material for external wall and the like purposes The efficiency of work for constructing the roof, the external walls and the like of a house will be greatly improved if the architectural material is standardized and designed to minimize the processing which must be made at the site. To this end, there ... | 08/07/1979 |
| 4096671 | Roof eave assembly A roof eave assembly for tiled roofs includes a sarking support running beneath the tiles and over the upper edge of a fascia board to give a firm sloping support for sarking. The support includes a flange in front of the fascia board in spaced relationsh... | 06/27/1978 |
| 4065902 | Sheetmetal covered roof planks having waterproof joints Common tongue and groove roof decking planks are covered with sheetmetal to make the planks themselves weatherproof. The sheetmetal is formed so that the individual planks can be interlocked together with a weatherproof joint which also hides from view an... | 01/03/1978 |
