Granted Patent
Utility
US 4,130,731 · App. 05/755,615
Portable telephone system
Inventors:
Duane R. Bolgiano, Joel M. Benjamin, Jr., Victor Meyer, Jr.
Patented Case
View Patent ↗
Granted: Dec 19, 1978
Filed: Dec 29, 1976
Inventors
Duane R. Bolgiano
Joel M. Benjamin, Jr.
Victor Meyer, Jr.
Assignee (at issue)
International Mobile Machines 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.