Granted Patent
Utility
US 4,400,922 · App. 06/249,062
Panel mounting clip assembly and wall or roof structure utilizing the same
Inventor:
Keith Boyer
Patented Case
View Patent ↗
Granted: Aug 30, 1983
Filed: Mar 30, 1981
Inventor
Keith Boyer
Assignee (at issue)
H. H. Robertson Company
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.