Granted Patent
Utility
US 4,130,449 · App. 05/907,970
Thickened aqueous slurry explosive compositions
Inventor:
Joseph Craig
Patented Case
View Patent ↗
Granted: Dec 19, 1978
Filed: May 22, 1978
Inventor
Joseph Craig
Assignee (at issue)
Canadian Industries Limited
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.