Granted Patent
Utility
US 5,977,184 · App. 08/528,682
Quercetin chalcone and methods related thereto
Inventors:
Timothy C Birdsall, Al Czap
Patented Case
View Patent ↗
Granted: Nov 2, 1999
Filed: Sep 15, 1995
Inventors
Timothy C Birdsall
Al Czap
Assignee (at issue)
Thorne Research, 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.