Granted Patent
Utility
US 6,554,604 · App. 09/716,725
System for individual control of multiple valve gates
Inventor:
Harald Schmidt
Patented Case
View Patent ↗
Granted: Apr 29, 2003
Filed: Nov 20, 2000
Inventor
Harald Schmidt
Assignee (at issue)
Synventive Molding Solutions Canada, 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.