Granted Patent
Utility
US 4,313,039 · App. 06/151,420
Telephone modular distributing frame
Inventors:
Paul V. De Luca, David Lionel Rawlings
Patented Case
View Patent ↗
Granted: Jan 26, 1982
Filed: May 19, 1980
Inventors
Paul V. De Luca
David Lionel Rawlings
Assignee (at issue)
Porta Systems 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.