Portland, Oregon
United States
4
2012-10-11
The entities that hold a legal rights for patent applications filed by inventor Case Wayne A.:
Wayne A. Case from Portland, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Event monitoring and detection in liquid level monitoring system
#2 | 2010-09-30Ultrasonic liquid level monitoring system
#3 | 2007-01-18Air purification system
#4 | 2006-03-09Liquid purification system
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