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Among the innovations in its early years were the first practical mass-produced four-wheel hydraulic brakes , a system nearly completely engineered by Chrysler with patents assigned to Lockheed , and rubber engine mounts to reduce vibration .
 Chrysler, Lockheed
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Chrysler, Lockheed