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For the Inventor, By the Inventor

Clearwater, FL, United States of America

Charles W Draper

USPTO Granted Patents = 4

Average Co-Inventor Count = 2.0

ph-index = 4

Forward Citations = 88(Granted Patents)


Location History:

  • Clearwater, FL (US) (1977 - 1982)
  • Palm Harbor, FL (US) (1986)

Company Filing History:

goldMedal4 out of 1,005 
 
Square D Company
 patents

Years Active: 1977-1986

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4 patents (USPTO):Explore Patents
1. 4578732 - Ground fault circuit interrupter including snap-acting contacts (1986-03-25),
2. 4309681 - Ground fault receptacle (1982-01-05),
3. 4263637 - Ground fault receptacle (1981-04-21),
4. 4015888 - Electrical device with retractable grounding pin and indicating means (1977-04-05),

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