Granted Patent
Utility
US 4,902,948 · App. 07/214,242
Guide wire communication system and method
Inventors:
Leigh E. Sherman, Gary L. Whatcott, Richard M. Dicks, David C. Madsen
Patented Case
View Patent ↗
Granted: Feb 20, 1990
Filed: Jul 1, 1988
Inventors
Leigh E. Sherman
Gary L. Whatcott
Richard M. Dicks
David C. Madsen
Assignee (at issue)
Eaton-Kenway, 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.