Granted Patent
Utility
US 4,591,652 · App. 06/722,326
Polyhydroxyl silanes or siloxanes
Inventors:
Ralph J. DePasquale, Michael E. Wilson
Patented Case
View Patent ↗
Granted: May 27, 1986
Filed: Apr 12, 1985
Inventors
Ralph J. DePasquale
Michael E. Wilson
Assignee (at issue)
SCM Consultants, 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.