Granted Patent
Utility
US 5,443,098 · App. 08/152,592
Thermoplastic pipe nipple
Inventor:
Janos Kertesz
Patented Case
View Patent ↗
Granted: Aug 22, 1995
Filed: Nov 15, 1993
Inventor
Janos Kertesz
Assignee (at issue)
Rasmussen 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.