Saint Anthony, MN, United States of America

Harold E Froehlich

This inventor holds 7 USPTO granted patents. Top assignee: 3M Innovative Properties Company. Active years: 1977-1988.


% Patents Active = 100.0

Average Co-Inventor Count = 1.1

ph-index = 7

Forward Citations = 5,832(Granted Patents)


Location History:

  • Minneapolis, MN (US) (1977)
  • St. Anthony, MN (US) (1980 - 1988)

Company Filing History:


Years Active: 1977-1988

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7 patents (USPTO):Explore Patents
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