DeVries; Douglas E.

Patent Applications and Registrations

Patent applications and USPTO patent grants for DeVries; Douglas E..The latest application filed is for "ignition interlock breathalyzer".

Company Profile

0.6.5

DeVries; Douglas E. - Johnston IA US

*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
Apparatus, system, and method for implementing and monitoring breath alcohol testing programs, usually from a fixed point location, such as a home Grant 8,957,771 - Arringdale , et al. February 17, 2	2015-02-17
Ignition Interlock Breathalyzer App 20150008063 - Walter; Michael W. ; et al.	2015-01-08
Apparatus, System, And Method For Implementing And Monitoring Breath Alcohol Testing Programs, Usually From A Fixed Point Location, Such As A Home App 20110309932 - Arringdale; David L. ; et al.	2011-12-22
Ignition interlock breathalyzer Grant 7,934,577 - Walter , et al. May 3, 2	2011-05-03
Ignition Interlock Breathalyzer App 20110084820 - Walter; Michael W. ; et al.	2011-04-14
Ignition Interlock Breathalyzer App 20100012417 - WALTER; MICHAEL W. ; et al.	2010-01-21
Ticket counting dispenser Grant 6,871,755 - DeVries , et al. March 29, 2	2005-03-29
Ticket counting dispenser App 20040044437 - DeVries, Douglas E. ; et al.	2004-03-04
Real time low cost, large scale array 65K color display using lamps Grant 5,612,710 - Christensen , et al. March 18, 1	1997-03-18
Breath analyzer for use in automobile ignition locking systems Grant 5,426,415 - Prachar , et al. June 20, 1	1995-06-20

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