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Stiffel Co. was a lamp manufacturer that had created a "pole lamp," a vertical tube standing upright between the floor and ceiling of a room with lamp fixtures along the outside of the tube. Stiffel Co. had secured a mechanical patent and a design patent , granted in 1957, on the pole lamp, and the lamp proved a "decided commercial success ...
Lamps Plus, Inc. is a privately held corporation that designs, manufactures, and sells portable lighting, fixture lighting, furniture, home décor items and a variety of other related products. Its worldwide headquarters is located in the Chatsworth district of the San Fernando Valley region of the city of Los Angeles, California .
In 1964's Sears, Roebuck & Co. v. Stiffel Co., the court upheld a lower-court ruling that Stiffel's popular lamp design was not original enough to warrant a patent, rescinding that restriction and passing the design into the public domain. The court's opinion indicated that the same logic would apply to an inappropriate copyright. [6]
Edward Miller & Co. (1844–1924) was formed in Meriden, Connecticut, and is primarily known as a historical manufacturer of lamps. The company also made brass kettles and oil heaters. In 1866, the corporation was formed with capital of US$200,000. Its earlier beginning included being started by Horatio Howard.
Solid-state lighting (SSL) is a type of lighting that uses semiconductor light-emitting diodes (LEDs), organic light-emitting diodes (OLED), or polymer light-emitting diodes (PLED) as sources of illumination rather than electrical filaments, plasma (used in arc lamps such as fluorescent lamps), or gas. Solid state electroluminescence is used in ...
Luminous flux (in lumens) is a measure of the total amount of light a lamp puts out. The luminous intensity (in candelas) is a measure of how bright the beam in a particular direction is. If a lamp has a 1 lumen bulb and the optics of the lamp are set up to focus the light evenly into a 1 steradian beam, then the beam would have a luminous ...