Granted Patent
Utility
US 6,509,402 · App. 09/787,681
Antistatic finished thermoplastic molding materials with improved properties
Inventor:
Herbert Eichenauer
Patented Case
View Patent ↗
Granted: Jan 21, 2003
Filed: Mar 21, 2001
Inventor
Herbert Eichenauer
Assignee (at issue)
Bayer Aktiengesellschaft
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.