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Saint Paul, MN, United States of America

David T Berquist

USPTO Granted Patents = 8

EPO Patents = 1 (Patent Applications = 1)

Average Co-Inventor Count = 6.5

ph-index = 7

Forward Citations = 416(Granted Patents)

Company Filing History:

5 out of 14,076

3m Innovative Properties Company

Minnesota Mining and Manufacturing Company

Years Active: 1997-2009

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8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7588185 - RFID data collection and use (2009-09-15),

2. 7503008 - Software notes (2009-03-10),

3. 7161470 - User interface for portable RFID reader (2007-01-09),

4. 6437807 - Topography of software notes (2002-08-20),

5. 6411310 - Software notes (2002-06-25),

6. 6151021 - Indexing and topography of software notes (2000-11-21),

7. 5821931 - Attachment and control of software notes (1998-10-13),

8. 5689666 - Method for handling obscured items on computer displays (1997-11-18),

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