Granted Patent
Utility
US 4,576,428 · App. 06/665,661
Protective boot for telephone subscriber jacks
Inventors:
Paul V. DeLuca, Peter Hung
Patented Case
View Patent ↗
Granted: Mar 18, 1986
Filed: Oct 29, 1984
Inventors
Paul V. DeLuca
Peter Hung
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.