Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 7281353 | Dual panel system for controlling the passage of light through architectural structures This invention comprises a transparent/translucent panel system including two spaced flat panels and a series of elongated, abutting, rotatably mounted transparent/translucent light-controlling members disposed between the panels in which the light-controlling membe... | 10/16/2007 |
| 6378262 | Telescoping louvered window insert The present invention 10 discloses a louvered window insert comprising two louvered frame sections 39, 50 each having one vertical member 44, 60 with an upper and lower horizontal member 40, 42, 56, 58 extending from each end thereof and a plurality of lo... | 04/30/2002 |
| 6226922 | Window shutter A window shutter having a blade assembly which has a non-metallic blade section and an extruded metal mounting section. The metal mounting section is pivotally mounted to the frame and is preferably aluminum or other light materials. In a preferred embodi... | 05/08/2001 |
| 5897435 | Air vent device An air vent device for a window comprising a first end section having a first end connector and a second end section having a second end connector. The second end section is a mirror image of the first end section. A central section has a plurality of lou... | 04/27/1999 |
| 5839244 | Vertical storm louver system A storm louver (10, 12) having a plurality of spaced blades (16a, 16b, 16c, 16d) for removing water particles from air flowing into a building or air handling equipment is disclosed. Each louver (10, 12) has an improved blade support frame (18) that permi... | 11/24/1998 |
| 5293920 | Louvered basement vent A basement vent includes a frame and a screened opening. A plurality of louvers cover said frame. The louvers each include tabs which slide within slots in the frame. The tabs each include a detent section that permit the louvers to be held in an open pos... | 03/15/1994 |
| 5107916 | Heat responsive memory metal actuator An actuator which includes a memory metal element, a substantially constant force counteracting spring, and an actuated element. The memory metal transforms from a martensite structure to an austenite structure at a known temperature. The martensite struc... | 04/28/1992 |
| 5052150 | Structure of venetian blind The present invention is concerned with an innovative design of venetian blind providing the functions of sun screening, light regulating, the prevention of burglary and beautiful appearance; in particular, the one which is easy to be assembled by consume... | 10/01/1991 |
| 4889040 | Insulated and non-metallic transparent and fully sealed louver system A new non-metallic louver system made of substantially transparent polycarbon resin material by extrusion processing, which allows light through the closed louver blades when in the closed position, while producing an airtight and watertight system. The p... | 12/26/1989 |
| 4541214 | Pergolas A pergola having a top comprising a plurality of wooden strips aligned in parallel relationship with a bottom planar face inclined to the mutually parallel side faces so as to provide a support orientation easily determinable and effective to provide diff... | 09/17/1985 |
| 4497134 | Exterior louver and louver apparatus Exterior louver apparatus includes a frame (11) with an oblique frame member (15) with a plurality of exterior louvers (19) having pivot pins in the ends with a universal-type joint (46, 47) in the oblique frame member supporting one end of the louver so ... | 02/05/1985 |
| 4341151 | Electric fan An electric fan comprising a motor to retain and drive vanes, an annular main body to retain the motor and to serve as an air flow passage of the fan, a pair of pivots which are provided on the main body, have their axes on a phantom straight line substan... | 07/27/1982 |
| 4268995 | Window frames having swingable blind-slats A window frame, especially for ventilation by setting at various angles a plurality of slats mounted on said frame is disclosed, the improvement consisting in that the control lever which acts upon the rod which gangs the slats for setting them at an angl... | 05/26/1981 |
| 4057936 | Thermally insulated window system A thermally insulated window system for use in windows and doors which provides a thermally insulated frame and means for completely insulating the area of the frame. Novel panel sections are used to form the frame, as well as vents for a portion of the f... | 11/15/1977 |
| 4042357 | Air filter unit for sliding sash windows A filter unit having a central member of substantially rectangle cross section and made up of one or more interconnected sections and having ends slidably fitting into end members of the same cross section. The central member is formed with ventilating ap... | 08/16/1977 |
| 4038781 | Jamb seal A louver assembly has a plurality of louver blades and pivot shafts pivotally supported for adjustable movement between open and closed position in a frame which includes two opposed vertical side frame members. A jamb seal between each side frame member ... | 08/02/1977 |
