Granted Patent
Utility
US 6,700,748 · App. 09/561,821
Methods for creating ground paths for ILS
Inventors:
Kevin P. Cowles, A. David Erpelding
Patented Case
View Patent ↗
Granted: Mar 2, 2004
Filed: Apr 28, 2000
Inventors
Kevin P. Cowles
A. David Erpelding
Assignee (at issue)
International Business 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.