Granted Patent
Utility
US 4,881,996 · App. 07/158,416
Splice adhesive for EDPM roofing and splicing method employing same
Inventors:
Stephanie Nussbaum, Roger L. Streets
Patented Case
View Patent ↗
Granted: Nov 21, 1989
Filed: Feb 22, 1988
Inventors
Stephanie Nussbaum
Roger L. Streets
Assignee (at issue)
Ashland Oil, 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.