Granted Patent
Utility
US 5,979,655 · App. 09/089,982
Plastic bag stack with special tab opening
Inventors:
Ben Tseng, Ron Yeh, Ernest Acosta, Yook-Meng Chew
Patented Case
View Patent ↗
Granted: Nov 9, 1999
Filed: Jun 3, 1998
Inventors
Ben Tseng
Ron Yeh
Ernest Acosta
Yook-Meng Chew
Assignee (at issue)
INTEPLAST GROUP CORPORATION
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.