Granted Patent
Utility
US 4,564,554 · App. 06/642,804
Composite sheathing
Inventor:
John J. Mikuski
Patented Case
View Patent ↗
Granted: Jan 14, 1986
Filed: Aug 21, 1984
Inventor
John J. Mikuski
Assignee (at issue)
Anthony Industries, 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.