Granted Patent
Utility
US 6,523,311 · App. 09/916,451
T-mullion
Inventor:
Ronal Fredrick Edger
Patented Case
View Patent ↗
Granted: Feb 25, 2003
Filed: Jul 30, 2001
Inventor
Ronal Fredrick Edger
Assignee (at issue)
ROYAL HOLDINGS TECHNOLOGIES CORP
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.