Inver Grove Heights, MN, United States of America

Robert Joseph Johnson


Average Co-Inventor Count = 1.8

ph-index = 3

Forward Citations = 171(Granted Patents)


Location History:

  • Inver Grove Heights, MN (US) (1978)
  • Inver Grove Hgts., MN (US) (1984)
  • Mesa, AZ (US) (1991)

Company Filing History:


Years Active: 1978-1991

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3 patents (USPTO):Explore Patents
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