Granted Patent
Utility
US 5,643,645 · App. 08/471,951
Craze resistant transparent sheet
Inventors:
Harold R. Banyay, Michael S. Cholod, Laurence Mitchell Kolanko, Bonnie Vineis Smith
Patented Case
View Patent ↗
Granted: Jul 1, 1997
Filed: Jun 6, 1995
Inventors
Harold R. Banyay
Michael S. Cholod
Laurence Mitchell Kolanko
Bonnie Vineis Smith
Assignee (at issue)
Ato Haas B.V.
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.