Granted Patent
Utility
US 4,238,255 · App. 06/024,923
Use of either regular or low-calcium heteropolysaccharide S-7 in explosives and compositions thereby produced
Inventors:
Ralph Moorhouse, Jaewon L. Shim
Patented Case
View Patent ↗
Granted: Dec 9, 1980
Filed: Mar 29, 1979
Inventors
Ralph Moorhouse
Jaewon L. Shim
Assignee (at issue)
MERCK & CO., 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.