Granted Patent
Utility
US 6,016,821 · App. 09/097,374
Systems and methods for ultrasonically processing delicate parts
Inventor:
William L. Puskas
Patented Case
View Patent ↗
Granted: Jan 25, 2000
Filed: Jun 15, 1998
Inventor
William L. Puskas
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.