Granted Patent
Utility
US 6,203,833 · App. 09/505,236
Process for preserving fresh produce
Inventors:
Li Yang, Xiaoming Yang, Robert J. Petcavich, Lijun Mao
Patented Case
View Patent ↗
Granted: Mar 20, 2001
Filed: Feb 16, 2000
Inventors
Li Yang
Xiaoming Yang
Robert J. Petcavich
Lijun Mao
Assignee (at issue)
Planet Polymer Technologies, 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.