Granted Patent
Utility
US 4,352,883 · App. 06/024,600
Encapsulation of biological material
Inventor:
Franklin Lim
Patented Case
View Patent ↗
Granted: Oct 5, 1982
Filed: Mar 28, 1979
Inventor
Franklin Lim
Assignee (at issue)
Damon Corporation
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.