Oxnard, CA, United States of America

John R Rumsey

This inventor holds 2 USPTO granted patents. Top assignee: Delphax Systems. Active years: 1987-1991.


% Patents Active = 100.0

Average Co-Inventor Count = 2.4

ph-index = 2

Forward Citations = 17(Granted Patents)


Location History:

  • Charlestown, MA (US) (1987)
  • Oxnard, CA (US) (1991)

Company Filing History:


Years Active: 1987-1991

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2 patents (USPTO):Explore Patents
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