Granted Patent
Utility
US 6,784,381 · App. 10/188,823
Method of manufacturing a microbalance
Inventor:
David M. Korpi
Patented Case
View Patent ↗
Granted: Aug 31, 2004
Filed: Jul 5, 2002
Inventor
David M. Korpi
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.