Granted Patent
Utility
US 5,603,252 · App. 08/519,942
Saw blade
Inventor:
Robert C. Hayden, Sr.
Patented Case
View Patent ↗
Granted: Feb 18, 1997
Filed: Aug 28, 1995
Inventor
Robert C. Hayden, Sr.
Assignee (at issue)
SANDVIK AB
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.