Granted Patent
Utility
US 6,618,875 · App. 10/112,844
Plumbing fitting cover cap retention system
Inventors:
Robert A. Oropallo, Anthony Oropallo
Patented Case
View Patent ↗
Granted: Sep 16, 2003
Filed: Mar 28, 2002
Inventors
Robert A. Oropallo
Anthony Oropallo
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.