Granted Patent
Utility
US 5,556,113 · App. 08/308,157
O-ring envelope gasket
Inventors:
Franklyn J. Amorese, Anthony S. Bellavia
Patented Case
View Patent ↗
Granted: Sep 17, 1996
Filed: Sep 19, 1994
Inventors
Franklyn J. Amorese
Anthony S. Bellavia
Assignee (at issue)
PFAUDLER 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.