Granted Patent
Utility
US 5,881,501 · App. 08/517,993
Roof system and panel therefor
Inventors:
Kenneth J. Guffey, Meredith W. Croucher, Jr., Michael A. Huizinga, Russell H. Henk
Patented Case
View Patent ↗
Granted: Mar 16, 1999
Filed: Aug 22, 1995
Inventors
Kenneth J. Guffey
Meredith W. Croucher, Jr.
Michael A. Huizinga
Russell H. Henk
Assignee (at issue)
Fabrel, 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.