Granted Patent
Utility
US 6,204,656 · App. 08/865,503
Miniature sensor for lubricant analysis
Inventors:
Margaret A. Cheiky-Zelina, Wayne A. Bush
Patented Case
View Patent ↗
Granted: Mar 20, 2001
Filed: May 29, 1997
Inventors
Margaret A. Cheiky-Zelina
Wayne A. Bush
Assignee (at issue)
Reid Asset Management Company
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.