Granted Patent
Utility
US 6,286,986 · App. 09/728,393
Multiple tub mobile blender and method of blending
Inventors:
Kristian E. Grimland, Timothy Lloyd Anderson
Patented Case
View Patent ↗
Granted: Sep 11, 2001
Filed: Dec 4, 2000
Inventors
Kristian E. Grimland
Timothy Lloyd Anderson
Assignee (at issue)
Maverick Stimulation Company, LLC
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.