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 General Instrument(now General Semiconductor)
  
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 General Instrument(now General Semiconductor)
  
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 General Instrument(now General Semiconductor)
  
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 ITT Industries [Micronas Semi](now Intermetall)
  
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 Micronas(now Intermetall)
  
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 Monolithic Memories Inc.(now Vantis)
  
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        Greenwich |  |   
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 International Semiconductor Technologies(IST)
  
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