Granted Patent
Utility
US 6,644,844 · App. 10/370,672
Mobile blending apparatus
Inventors:
Dan Neal, John Callihan, Kavin Bowens
Patented Case
View Patent ↗
Granted: Nov 11, 2003
Filed: Feb 21, 2003
Inventors
Dan Neal
John Callihan
Kavin Bowens
Assignee (at issue)
FLOTEK INDUSTRIES, INC.
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.