Granted Patent
Utility
US 6,112,482 · App. 09/125,034
Floor and ceiling structures
Inventors:
Peter Wright, Majella MacDermott Smith
Patented Case
View Patent ↗
Granted: Sep 5, 2000
Filed: Aug 11, 1998
Inventors
Peter Wright
Majella MacDermott Smith
Assignee (at issue)
British Steel plc.
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.