Granted Patent
Utility
US 5,978,474 · App. 08/964,340
Coin telephone protection device
Inventors:
Raymond G. Jackson, Daniel W. Macauley, Robert A. Till, Jr., Ronald L. Wild
Patented Case
View Patent ↗
Granted: Nov 2, 1999
Filed: Nov 4, 1997
Inventors
Raymond G. Jackson
Daniel W. Macauley
Robert A. Till, Jr.
Ronald L. Wild
Assignee (at issue)
LUCENT TECHNOLOGIES INC.
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.