Granted Patent
Utility
US 6,607,793 · App. 09/280,034
Large width heat-weldable roof membrane
Inventors:
Michael J. Hubbard, Raymond J. Weinert, John Pomeroy
Patented Case
View Patent ↗
Granted: Aug 19, 2003
Filed: Mar 26, 1999
Inventors
Michael J. Hubbard
Raymond J. Weinert
John Pomeroy
Assignee (at issue)
Omnova Solutions, 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.