IDiyas

For the Inventor, By the Inventor

Maplewood, MN, United States of America

David E Johnson

USPTO Granted Patents = 14

Average Co-Inventor Count = 3.4

ph-index = 12

Forward Citations = 414(Granted Patents)


Location History:

  • Saint Paul, MN (US) (1999)
  • Ames, IA (US) (1997 - 2001)
  • Maplewood, MN (US) (1997 - 2002)

Company Filing History:

goldMedal8 out of 7,865 
 
Minnesota Mining and Manufacturing Company
 patents
silverMedal6 out of 14,059 
 
3m Innovative Properties Company
 patents

Years Active: 1997-2002

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14 patents (USPTO):Explore Patents
1. 6352471 - Abrasive brush with filaments having plastic abrasive particles therein (2002-03-05),
2. 6261156 - Molded abrasive brush (2001-07-17),
3. 6126533 - Molded abrasive brush (2000-10-03),
4. D427395 - Bristles of a brush (2000-06-27),
5. D425269 - Bristles of a brush (2000-05-16),
6. D424258 - Bristles of a brush (2000-05-02),
7. 5983434 - Rotary bristle tool with preferentially oriented bristles (1999-11-16),
8. 5915436 - Molded brush (1999-06-29),
9. 5908680 - Replaceable roll covers with repositionable pressure sensitive adhesive (1999-06-01),
10. 5903951 - Molded brush segment (1999-05-18),
11. 5679067 - Molded abrasive brush (1997-10-21),
12. D381139 - Molded abrasive brush (1997-07-15),
13. D378004 - Radial brush segment (1997-02-11),
14. D378003 - Molded radial brush (1997-02-11),
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