Seattle, Washington
United States
4
2017-11-09
The entities that hold a legal rights for patent applications filed by inventor Preiner Michael John:
Michael John Preiner from Seattle, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Measurement of nitrate-nitrogen concentration in soil based on absorption spectroscopy
#2 | 2016-05-26Measurement of nitrate-nitrogen concentration in soil based on absorption spectroscopy
#3 | 2013-10-03Measurement of nitrate-nitrogen concentration in soil based on absorption spectroscopy
#4 | 2013-09-26Automated soil measurement device
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