Granted Patent
Utility
US 4,361,998 · App. 06/056,943
Standing seam roof system
Inventors:
Burlan E. Ellison, Harry P. Spranca, Christopher C. Hooper
Patented Case
View Patent ↗
Granted: Dec 7, 1982
Filed: Jul 12, 1979
Inventors
Burlan E. Ellison
Harry P. Spranca
Christopher C. Hooper
Assignee (at issue)
Atlantic Building Systems, 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.