Granted Patent
Utility
US 6,691,326 · App. 10/145,977
Garment for protection against chemical and/or biological substances
Inventor:
Gerd Hexels
Patented Case
View Patent ↗
Granted: Feb 17, 2004
Filed: May 14, 2002
Inventor
Gerd Hexels
Assignee (at issue)
Texplorer GmbH
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.