Granted Patent
Utility
US 6,557,883 · App. 10/082,756
Glider fifth wheel attachment
Inventors:
Don F. Linger, Jeffrey V. Sweeney
Patented Case
View Patent ↗
Granted: May 6, 2003
Filed: Feb 25, 2002
Inventors
Don F. Linger
Jeffrey V. Sweeney
Assignee (at issue)
Valley Industries, L.L.C.
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.