Granted Patent
Utility
US 4,737,985 · App. 06/925,293
Digital system connect frame
Inventors:
Paul V. De Luca, Michael Shatzkin, Albert Atun
Patented Case
View Patent ↗
Granted: Apr 12, 1988
Filed: Oct 31, 1986
Inventors
Paul V. De Luca
Michael Shatzkin
Albert Atun
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.