Granted Patent
Utility
US 6,095,401 · App. 09/469,049
System and method for supression of bubble generation during ultrasonic welding of a printer cartridge
Inventor:
Stephen Porter Bush
Patented Case
View Patent ↗
Granted: Aug 1, 2000
Filed: Dec 21, 1999
Inventor
Stephen Porter Bush
Assignee (at issue)
Lexmark International, 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.