Granted Patent
Utility
US 4,664,729 · App. 06/851,488
Water-in-oil explosive emulsion composition
Inventor:
Habib Rehman
Patented Case
View Patent ↗
Granted: May 12, 1987
Filed: Apr 14, 1986
Inventor
Habib Rehman
Assignee (at issue)
Independent Explosives Co. of Penna.
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.