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For the Inventor, By the Inventor

Minnetonka, MN, United States of America

Robert A Bertelsen

This inventor holds 2 USPTO granted patents. Top assignee: Osmonics, Incorporated. Active years: 1989.

USPTO Granted Patents = 2

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 2

Forward Citations = 166(Granted Patents)


Location History:

  • Minnetonka, MN (US) (1989)
  • St. Louis Park, MN (US) (1989)

Company Filing History:

goldMedal2 out of 21 
 
Osmonics, Incorporated
 patents

Years Active: 1989

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2 patents (USPTO):Explore Patents
1. 4846970 - Cross-flow filtration membrane test unit (1989-07-11),
2. 4839037 - Tapered, spirally wound filter cartridge and method of making same (1989-06-13),
Profile summary based on public USPTO records.
Please report any incorrect information to [email protected]
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