Granted Patent
Utility
US 5,083,817 · App. 07/477,471
Apparatus for the decoupling of two pipe parts with wire mesh cushions
Inventors:
Wieland Holzhausen, Thomas Kunzmann, Marc Pontzen
Patented Case
View Patent ↗
Granted: Jan 28, 1992
Filed: Feb 9, 1990
Inventors
Wieland Holzhausen
Thomas Kunzmann
Marc Pontzen
Assignee (at issue)
IWK Regler und Kompensatoren 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.