Home › 2016 › Inventors › Robert Grainger

Robert Grainger — 1 Patent in 2016

Regina, CA: #2 of 19 inventorsTop 15%

Overall (2016): #249,252 of 481,213Top 55%

1 Patents 2016

Issued Patents 2016

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
9441450	Wellbore cementing tool	—	2016-09-13