Granted Patent
Utility
US 4,511,209 · App. 06/572,397
Composition having improved optical qualities
Inventor:
Bolesh J. Skutnik
Patented Case
View Patent ↗
Granted: Apr 16, 1985
Filed: Jan 20, 1984
Inventor
Bolesh J. Skutnik
Assignee (at issue)
Ensign-Bickford Industries, 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.