Needham, Massachusetts
United States
6
2015-05-07
The entities that hold a legal rights for patent applications filed by inventor Chan John K.:
John K. Chan from Needham, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Electrical purification apparatus having a blocking spacer
#2 | 2014-05-01Methods of making a cell stack for an electrical purification apparatus
#3 | 2012-05-17Electrical purification apparatus
#4 | 2012-05-17Method of providing a source of potable water
#5 | 2012-05-17Electrical purification apparatus having a blocking spacer
#6 | 2012-05-17Methods of making a cell stack for an electrical purification apparatus
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