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Lear, Inc. v. Adkins, 395 U.S. 653 (1969), is a decision of the U.S. Supreme Court overturning the doctrine of licensee estoppel and holding that public interest considerations require that licensees be free to challenge the validity of possibly spurious patents under which they are licensed. [1]
In 1916, the name of the company was changed from the Mysto Manufacturing Company to the A. C. Gilbert Company. [ 2 ] In 1920, the company began selling regenerative vacuum tube radio receivers designed by the C. D. Tuska Company , and the following year, in order to increase interest in radio, began operating station WCJ , which was the first ...
Its product line grew to include automatic starters, switches, circuit breakers, relays, and other electric equipment. After the war, the company grew its miniature rheostat business to support the burgeoning radio industry. By the middle of the 1920s, nearly 50 percent of the company's sales were attributed to the radio department.
Hammarlund Comet Pro. The first Hammarlund plant was a loft operation engaged in radio component manufacturing on Fulton Street in Lower Manhattan, New York City.Their variable capacitor designs quickly became industry standards, and the component's schematic symbol was adopted as the company's logo.
Collins Radio became a world leader in avionics during the 1950s and 1960s. The 618T HF transceiver was a mainstay for the airlines and the ARC-27, with automatic tuning and 1750 channels, was the first practical UHF military transceiver, in service for over two decades. [12] [13]
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The company originally concentrated on the design of electronic circuits and the licensing of patents. Innovations in radio, monochrome and later color television components allowed the company to grow. One particularly lucrative design was the Automatic Gain Control circuit. This was such a useful feature that almost every AM radio made used ...