Granted Patent
Utility
US 5,135,802 · App. 07/802,883
Absorber felt
Inventors:
Hippolit Gstrein, Johann-Dieter Jochinger
Patented Case
View Patent ↗
Granted: Aug 4, 1992
Filed: Dec 6, 1991
Inventors
Hippolit Gstrein
Johann-Dieter Jochinger
Assignee (at issue)
Huyck Corporation
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.