Granted Patent
Utility
US 5,740,644 · App. 08/790,682
Wall with horizontal metal stud and reinforcement channel therefor
Inventor:
Robert J. Menchetti
Patented Case
View Patent ↗
Granted: Apr 21, 1998
Filed: Jan 28, 1997
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.