Helotes, Texas
United States
4
2019-07-04
The entities that hold a legal rights for patent applications filed by inventor McKee Douglas A.:
Douglas A. McKee from Helotes, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Waveguide antenna for microwave enhanced combustion
#2 | 2015-01-29Hybrid ceramic/sand core for casting metal engine parts with passages or holes having a cross section too small for sand casting
#3 | 2012-09-18Hybrid ceramic/sand core for casting metal parts having small passages
#4 | 2011-04-14Cylinder head for an engine
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