Granted Patent
Utility
US 5,635,605 · App. 08/398,922
Method for detecting the presence of ring shaped particle tumor marker
Inventors:
Robert Guerrero, Donald E. Rounds
Patented Case
View Patent ↗
Granted: Jun 3, 1997
Filed: Mar 6, 1995
Inventors
Robert Guerrero
Donald E. Rounds
Assignee (at issue)
AMDL, 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.