Granted Patent
Utility
US 6,577,959 · App. 09/527,643
Fluid level measuring system for machines
Inventors:
Zdzislaw Chajec, Steven D. Nelson, Eric A. Nelson, Kevin C. O'Brien
Patented Case
View Patent ↗
Granted: Jun 10, 2003
Filed: Mar 17, 2000
Inventors
Zdzislaw Chajec
Steven D. Nelson
Eric A. Nelson
Kevin C. O'Brien
Assignee (at issue)
Power Plus Corporation
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.