Granted Patent
Utility
US 4,816,268 · App. 07/085,828
Process for preparing a comestible containing stirrer straw and product thereof
Inventor:
Josef H. Tsau
Patented Case
View Patent ↗
Granted: Mar 28, 1989
Filed: Aug 14, 1987
Inventor
Josef H. Tsau
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.