Granted Patent
Utility
US 5,248,546 · App. 07/752,291
Vinyl based articles in contact with chloro-fluoro chemicals
Inventor:
William S. Greenlee
Patented Case
View Patent ↗
Granted: Sep 28, 1993
Filed: Aug 30, 1991
Inventor
William S. Greenlee
Assignee (at issue)
B. F. Goodrich Company
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.