Granted Patent
Utility
US 4,600,746 · App. 06/786,513
Polyvinyl alcohol alloys and method of making the same
Inventors:
Seymour Schmukler, Mitsuzo Shida, John Machonis, Jr.
Patented Case
View Patent ↗
Granted: Jul 15, 1986
Filed: Oct 11, 1985
Inventors
Seymour Schmukler
Mitsuzo Shida
John Machonis, Jr.
Assignee (at issue)
Norchem, 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.