Mickle Trafford, United Kingdom

Eric J Clayfield

This inventor holds 4 USPTO granted patents. Top assignee: Shell Oil Comapny. Active years: 1978-1988.


% Patents Active = 100.0

Average Co-Inventor Count = 2.8

ph-index = 4

Forward Citations = 44(Granted Patents)


Location History:

  • Mickle Trafford, near Chester, EN (1978)
  • Mickle Trafford, near Chester, GB (1979)
  • Chester, GB (1985)
  • Marietta, GA (US) (1988)

Company Filing History:


Years Active: 1978-1988

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4 patents (USPTO):Explore Patents
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