Granted Patent
Utility
US 5,849,550 · App. 08/497,397
Preparation of lysocellin beads by fermentation
Inventors:
Donald Hahn, James R. McMullen, Vikram P. Mehrotra
Patented Case
View Patent ↗
Granted: Dec 15, 1998
Filed: Jun 30, 1995
Inventors
Donald Hahn
James R. McMullen
Vikram P. Mehrotra
Assignee (at issue)
Mallinckrodt Veterinary, Inc.
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.