Granted Patent
Utility
US 4,301,563 · App. 06/123,305
Method for roll pointing a threaded screw
Inventor:
Charles H. Deveney
Patented Case
View Patent ↗
Granted: Nov 24, 1981
Filed: Feb 21, 1980
Inventor
Charles H. Deveney
Assignee (at issue)
Aluminum Company of America
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.