Granted Patent
Utility
US 6,599,496 · App. 09/894,992
Endoscopy tissue stain
Inventors:
Frank C. Carter, Frank W. Jackson, Robert Whalen
Patented Case
View Patent ↗
Granted: Jul 29, 2003
Filed: Jun 28, 2001
Inventors
Frank C. Carter
Frank W. Jackson
Robert Whalen
Assignee (at issue)
Chek-Med Systems, 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.