Granted Patent
Utility
US 6,719,492 · App. 10/102,921
Top arch overfilled system
Inventor:
Werner Heierli
Patented Case
View Patent ↗
Granted: Apr 13, 2004
Filed: Mar 22, 2002
Inventor
Werner Heierli
Assignee (at issue)
BEBOtech 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.