Granted Patent
Utility
US 5,340,545 · App. 08/016,060
Particulate solids cracking apparatus
Inventors:
Robert J. Gartside, Richard C. Norton
Patented Case
View Patent ↗
Granted: Aug 23, 1994
Filed: Feb 10, 1993
Inventors
Robert J. Gartside
Richard C. Norton
Assignee (at issue)
Stone & Webster Engineering Corp.
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.