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In 1961, Dalziel, working with Rucker Manufacturing Co., developed a transistorized device for earth leakage protection which became known as a ground fault circuit interrupter (GFCI), sometimes colloquially shortened to ground fault interrupter (GFI).
General Fare Industries (GFI) was established by General Signal in 1980. [4] [5] GFI merged with Keene in 1981, and acquired the farebox business of Duncan Industries in 1983. [5] In 1990, the company was renamed GFI Genfare. [4] In 1998, General Signal was purchased by SPX Corporation, and GFI Genfare became a subsidiary of SPX. [6]
The company was incorporated in 1938. [2] Shaffer bought the oil field equipment business of Alco Products in 1962. [3] In 1968, Shaffer, except its Houston, Texas-based Bayport Fabrication division, was bought by Oakland-based Rucker Corporation for US$2.7 million [4] [5] and changed its name to Rucker Shaffer. [6]
GFI Group Inc. (GFI) is a financial services company that through its subsidiaries provides brokerage services, trade execution, market data, trading platforms and other software products. Clients are institutional customers in markets for a range of fixed income , financial , equity and commodity instruments.
Ideal was founded in 1916 by J. Walter Becker as the Ideal Commutator Dresser Company in Chicago, Illinois, manufacturing commutator dresser stones. [6] In 1924, Becker relocated the company to its current location in Sycamore, Illinois. [7] By 1949, it had become the United States' leading producer of wire nuts. [8]
Perceptronics, based in Los Angeles, was responsible for the actual SIMNET simulators; the company's engineers, human factors personnel and manufacturing team designed, developed and built over 300 full-crew simulators, integrating the controls, sound systems and visual systems into the special simulator shells; they also installed the ...
Magnetek, Inc., is a technology company founded in 1984 and headquartered in Menomonee Falls, Wisconsin, and is a NASDAQ Global Market listed company.The company develops, manufactures, and markets digital power and motion control systems for material handling, people-moving and mining applications.
Pomona Electronics is a company specializing in electronic test equipment and accessories. It was founded in 1951 by Joseph J. and Carl W. Musarra, who were brothers. [7] [8] Founded to manufacture test cable harnesses for examining television cathode-ray tubes. [9] the company started in a factory location around the size of a living room. [9]