Granted Patent
Utility
US 6,037,020 · App. 08/790,294
Ultrasonic mixing of through hole treating compositions
Inventors:
Gregory Dean Garlough, Benjamin Todd Carroll, Michael V. Carano, Frank Polakovic
Patented Case
View Patent ↗
Granted: Mar 14, 2000
Filed: Jan 29, 1997
Inventors
Gregory Dean Garlough
Benjamin Todd Carroll
Michael V. Carano
Frank Polakovic
Assignee (at issue)
Electrochemicals, 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.