Granted Patent
Utility
US 6,237,459 · App. 09/400,805
Corner making tool
Inventor:
Charles A. Brown
Patented Case
View Patent ↗
Granted: May 29, 2001
Filed: Sep 22, 1999
Inventor
Charles A. Brown
Assignee (at issue)
Duramax, Inc.
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.