Granted Patent
Utility
US 5,377,752 · App. 08/214,546
Guard device
Inventor:
Robert Nelson Farrara
Patented Case
View Patent ↗
Granted: Jan 3, 1995
Filed: Mar 18, 1994
Inventor
Robert Nelson Farrara
Assignee (at issue)
Campbell Manufacturing, LLC
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.