Granted Patent
Utility
US 5,494,511 · App. 08/012,435
Dispersion
Inventor:
Mark Holbrook
Patented Case
View Patent ↗
Granted: Feb 27, 1996
Filed: Feb 2, 1993
Inventor
Mark Holbrook
Assignee (at issue)
Zeneca 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.