Granted Patent
Utility
US 4,477,655 · App. 06/479,131
Moulding of poly-hydroxybutyrate containing bacterial cell fragments
Inventor:
Paul A. Holmes
Patented Case
View Patent ↗
Granted: Oct 16, 1984
Filed: Mar 25, 1983
Inventor
Paul A. Holmes
Assignee (at issue)
IMPERIAL CHEMICAL INDUSTRIES 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.