Granted Patent
Utility
US 6,181,296 · App. 09/182,073
Cast core fabrication of helically wound antenna
Inventors:
Charles W. Kulisan, William E. Clark, Robert J. Guinn, Gilbert R. Perkins
Patented Case
View Patent ↗
Granted: Jan 30, 2001
Filed: Oct 29, 1998
Inventors
Charles W. Kulisan
William E. Clark
Robert J. Guinn
Gilbert R. Perkins
Assignee (at issue)
HARRIS 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.