Granted Patent
Utility
US 6,274,548 · App. 09/325,923
Pectic substance as a growth factor stabilizer
Inventors:
Yawei Ni, Kenneth M. Yates
Patented Case
View Patent ↗
Granted: Aug 14, 2001
Filed: Jun 4, 1999
Inventors
Yawei Ni
Kenneth M. Yates
Assignee (at issue)
Carrington Laboratories, 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.