Granted Patent
Utility
US 5,961,459 · App. 08/953,513
Use of hollow microcapsules in diagnosis and therapy
Inventors:
Sanjiv Kaul, Richard A. Johnson
Patented Case
View Patent ↗
Granted: Oct 5, 1999
Filed: Oct 17, 1997
Inventors
Sanjiv Kaul
Richard A. Johnson
Assignee (at issue)
Andaris Limited
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.