Granted Patent
Utility
US 5,455,548 · App. 08/202,997
Broadband rigid coaxial transmission line
Inventors:
Brett J. Grandchamp, Cole N. Plummer, Richard I. Bibber, Charles D. Brown
Patented Case
View Patent ↗
Granted: Oct 3, 1995
Filed: Feb 28, 1994
Inventors
Brett J. Grandchamp
Cole N. Plummer
Richard I. Bibber
Charles D. Brown
Assignee (at issue)
Federal Signal 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.