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Hong Kong, China

Andrew C Dahlgren

USPTO Granted Patents = 5

Average Co-Inventor Count = 3.5

ph-index = 5

Forward Citations = 97(Granted Patents)

Company Filing History:

Donaldson Comapny, Inc.

Years Active: 1999-2004

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5 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6726745 - Filter assembly with shaped adsorbent article; and devices and methods of use (2004-04-27),

2. 6491741 - Filter assembly with shaped adsorbent article; and devices and methods of use (2002-12-10),

3. 6168651 - Filter assembly with shaped adsorbent article; and devices and methods of use (2001-01-02),

4. 6146446 - Filter assembly with shaped adsorbent article; and devices and methods (2000-11-14),

5. 5997614 - Filter with diffusion channel and methods of making and using the filter (1999-12-07),

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