Granted Patent
Utility
US 4,415,338 · App. 06/387,176
Aqueous carbonaceous slurries
Inventors:
Martin J. Schick, Kathy A. Knitter
Patented Case
View Patent ↗
Granted: Nov 15, 1983
Filed: Jun 10, 1982
Inventors
Martin J. Schick
Kathy A. Knitter
Assignee (at issue)
Diamond Shamrock Corporation
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.