Granted Patent
Utility
US 5,658,752 · App. 08/478,355
Method of catalyzing chemical reactions
Inventors:
Gerald Schochetman, Richard J. Massey
Patented Case
View Patent ↗
Granted: Aug 19, 1997
Filed: Jun 7, 1995
Inventors
Gerald Schochetman
Richard J. Massey
Assignee (at issue)
IGEN Co., LTD
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.