ENDRIGO; DAVID A.

Patent Applications and Registrations

Patent applications and USPTO patent grants for ENDRIGO; DAVID A..The latest application filed is for "emissions reduction systems and methods".

Company Profile

0.7.10

ENDRIGO; DAVID A. - Poulsbo WA
Endrigo; David A - Poulsbo WA
Endrigo; David A. - Keyport WA
Endrigo; David A. - Paulsbo WA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Emissions Reduction Systems And Methods App 20220243637 - ENDRIGO; DAVID A.	2022-08-04
Emissions reduction systems and methods Grant 11,220,948 - Endrigo January 11, 2	2022-01-11
Emissions Reduction Systems And Methods App 20220003140 - ENDRIGO; DAVID A.	2022-01-06
High-efficiency Catalytic Converters For Treating Exhaust Gases App 20160236149 - Hansen; Todd K. ; et al.	2016-08-18
High-efficiency Catalytic Converters For Treating Exhaust Gases App 20150110693 - Hansen; Todd K. ; et al.	2015-04-23
High-efficiency catalytic converters for treating exhaust gases Grant 8,765,084 - Hansen , et al. July 1, 2	2014-07-01
High-efficiency Catalytic Converters For Treating Exhaust Gases App 20130266496 - Hansen; Todd K. ; et al.	2013-10-10
High-efficiency catalytic converters for treating exhaust gases Grant 8,298,504 - Hansen , et al. October 30, 2	2012-10-30
High-efficiency Catalytic Converters For Treating Exhaust Gases App 20120020858 - Hansen; Todd K. ; et al.	2012-01-26
High-efficiency catalytic converters for treating exhaust gases Grant 8,034,310 - Hansen , et al. October 11, 2	2011-10-11
High-efficiency Catalytic Converters For Treating Exhaust Gases App 20110014098 - Hansen; Todd K. ; et al.	2011-01-20
High-efficiency catalytic converters for treating exhaust gases Grant 7,807,120 - Hansen , et al. October 5, 2	2010-10-05
High-efficiency Catalytic Converters For Treating Exhaust Gases App 20090175772 - Hansen; Todd K. ; et al.	2009-07-09
Deflector insert for air filters Grant 5,549,085 - Endrigo August 27, 1	1996-08-27

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