Duncan, Oklahoma
United States
5
2014-05-22
The entities that hold a legal rights for patent applications filed by inventor Pewitt Keith D.:
Keith D. Pewitt from Duncan, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Cement testing
#2 | 2013-12-05Cement Compositions Comprising Saponins and Associated Methods
#3 | 2011-11-10Compositions for modifying rheological properties of cement systems
#4 | 2011-04-28Cement testing
#5 | 2010-01-14Sorel cements and methods of making and using same
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