Granted Patent
Utility
US 5,869,593 · App. 07/067,160
High moisture vapor transmission hot melt moisture cure polyurethane adhesive
Inventors:
Marietta B. Helmeke, John M. Zimmel, Franz Maitz
Patented Case
View Patent ↗
Granted: Feb 9, 1999
Filed: Apr 27, 1998
Inventors
Marietta B. Helmeke
John M. Zimmel
Franz Maitz
Assignee (at issue)
H.B. Fuller Licensing & Financing, 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.