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Poulsbo, WA, United States of America

David A Endrigo

USPTO Granted Patents = 8 (Patent Applications = 7)

EPO Patents = 1 (Patent Applications = 1)

Average Co-Inventor Count = 1.3

ph-index = 3

Forward Citations = 30(Granted Patents)

Location History:

Paulsbo, WA (US) (1996)
Keyport, WA (US) (2010 - 2014)
Poulsbo, WA (US) (2022 - 2024)

Company Filing History:

3 out of 832,680

Other

patents

where one patent can have more than one assignee

Years Active: 1996-2024

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8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11982216 - Emissions reduction systems and methods (2024-05-14),

2. 11519318 - Emissions reduction systems and methods (2022-12-06),

3. 11220948 - Emissions reduction systems and methods (2022-01-11),

4. 8765084 - High-efficiency catalytic converters for treating exhaust gases (2014-07-01),

5. 8298504 - High-efficiency catalytic converters for treating exhaust gases (2012-10-30),

6. 8034310 - High-efficiency catalytic converters for treating exhaust gases (2011-10-11),

7. 7807120 - High-efficiency catalytic converters for treating exhaust gases (2010-10-05),

8. 5549085 - Deflector insert for air filters (1996-08-27),

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