Granted Patent
Utility
US 6,357,626 · App. 09/798,049
Pre-filled oral liquid disposable plastic container
Inventors:
Jack Yongfeng Zhang, Anthony D. Marrs, Mary Ziping Luo
Patented Case
View Patent ↗
Granted: Mar 19, 2002
Filed: Mar 5, 2001
Inventors
Jack Yongfeng Zhang
Anthony D. Marrs
Mary Ziping Luo
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.