Granted Patent
Utility
US 5,789,494 · App. 08/480,777
Encapsulated materials
Inventors:
Barry J. Hand, E. C. Lupton, Lev E. Bromberg, Xiaohong Yu
Patented Case
View Patent ↗
Granted: Aug 4, 1998
Filed: Jun 7, 1995
Inventors
Barry J. Hand
E. C. Lupton
Lev E. Bromberg
Xiaohong Yu
Assignee (at issue)
MedLogic Global 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.