Granted Patent
Utility
US 5,288,797 · App. 08/034,454
Moisture curable polyurethane composition
Inventors:
Hamdy Khalil, Witek Majewski, George Nickel, George Wypych, Jeffrey D. van Heumen
Patented Case
View Patent ↗
Granted: Feb 22, 1994
Filed: Mar 19, 1993
Inventors
Hamdy Khalil
Witek Majewski
George Nickel
George Wypych
Jeffrey D. van Heumen
Assignee (at issue)
TREMCO INCORPORATED
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.