Granted Patent
Utility
US 6,575,991 · App. 09/596,160
Apparatus for the percutaneous marking of a lesion
Inventors:
Richard M. Chesbrough, Steven E. Field, Ryan L. Goosen, Jeff Zerfas, Richard E. Davis
Patented Case
View Patent ↗
Granted: Jun 10, 2003
Filed: Jun 16, 2000
Inventors
Richard M. Chesbrough
Steven E. Field
Ryan L. Goosen
Jeff Zerfas
Richard E. Davis
Assignee (at issue)
Inrad, 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.