Duncan, Oklahoma
United States
4
2014-05-22
The entities that hold a legal rights for patent applications filed by inventor Darbe Robert P.:
Robert P. Darbe from Duncan, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Cement testing
#2 | 2012-08-09Cement compositions comprising particulate foamed elastomers and associated methods
#3 | 2011-04-28Cement testing
#4 | 2010-12-16Cement compositions comprising particulate foamed elastomers and associated methods
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