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For the Inventor, By the Inventor

Ames, IA, United States of America

David K Holger

USPTO Granted Patents = 3


Average Co-Inventor Count = 3.2

ph-index = 3

Forward Citations = 59(Granted Patents)


Location History:

  • Ames,, IA (US) (1998)
  • Ames, IA (US) (1987 - 2000)

Company Filing History:

goldMedal3 out of 1,390 
 
Iowa State University Research Foundation Inc
 patents
silverMedal2 out of 465 
 
White Consolidated Industries, Inc.
 patents
where one patent can have more than one assignee

Years Active: 1987-2000

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3 patents (USPTO):Explore Patents
1. 6052863 - Central vacuum cleaner muffler (2000-04-25),
2. 5737797 - Central vacuum with acoustical damping (1998-04-14),
3. 4655086 - Method and means for measuring sound intensity (1987-04-07),
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