Granted Patent
Utility
US 4,487,348 · App. 06/523,025
Adjustable and removable cross rail
Inventor:
Ray G. Mareydt
Patented Case
View Patent ↗
Granted: Dec 11, 1984
Filed: Aug 15, 1983
Inventor
Ray G. Mareydt
Assignee (at issue)
Fourstar Group 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.