Membership
Tour
Register
Log in
Roger A. Wolthuis
Follow
Person
Woodinville, WA, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Optical pH and gas concentration sensor
Patent number
5,039,492
Issue date
Aug 13, 1991
Metricor, Inc.
Elric W. Saaski
G01 - MEASURING TESTING