Granted Patent
Utility
US 6,623,840 · App. 09/792,363
Protective flooring
Inventor:
Dirk HAINBACH
Patented Case
View Patent ↗
Granted: Sep 23, 2003
Filed: Feb 23, 2001
Inventor
Dirk HAINBACH
Assignee (at issue)
Dodge-Regupol, Incorporated
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.