Granted Patent
Utility
US 4,615,752 · App. 06/674,275
Methods of pumping and loading emulsion slurry blasting compositions
Inventor:
Kenneth A. Miller
Patented Case
View Patent ↗
Granted: Oct 7, 1986
Filed: Nov 23, 1984
Inventor
Kenneth A. Miller
Assignee (at issue)
Ireco, 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.