Granted Patent
Utility
US 4,749,653 · App. 06/789,530
Enzyme immobilization on non-porous glass fibers
Inventors:
David M. Lee, Gary M. Nishioka, Wayne E. Swann, Carol A. Nolf
Patented Case
View Patent ↗
Granted: Jun 7, 1988
Filed: Oct 21, 1985
Inventors
David M. Lee
Gary M. Nishioka
Wayne E. Swann
Carol A. Nolf
Assignee (at issue)
Owens-Corning Fiberglas 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.