Granted Patent
Utility
US 5,425,212 · App. 08/121,471
Folding track
Inventor:
Robert J. Menchetti
Patented Case
View Patent ↗
Granted: Jun 20, 1995
Filed: Sep 16, 1993
Inventor
Robert J. Menchetti
Assignee (at issue)
National Gypsum 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.