Granted Patent
Utility
US 6,206,448 · App. 09/251,961
Variable height covering system
Inventor:
Edward N. Haddad, Jr.
Patented Case
View Patent ↗
Granted: Mar 27, 2001
Filed: Feb 17, 1999
Inventor
Edward N. Haddad, Jr.
Assignee (at issue)
Pioneer Consolidated 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.