Granted Patent
Utility
US 5,636,893 · App. 08/423,075
Folding hard panel tonneau cover with rail attachment
Inventors:
Donald E. Wheatley, Donald G. Wheatley
Patented Case
View Patent ↗
Granted: Jun 10, 1997
Filed: Apr 17, 1995
Inventors
Donald E. Wheatley
Donald G. Wheatley
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.