Granted Patent
Utility
US 5,368,461 · App. 08/102,409
Outside corner finishing tool
Inventor:
Robert J. Murphy
Patented Case
View Patent ↗
Granted: Nov 29, 1994
Filed: Aug 5, 1993
Inventor
Robert J. Murphy
Assignee (at issue)
Premier Drywall Tool Co.
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.