Granted Patent
Utility
US 5,079,950 · App. 07/517,679
Level indicating in vehicle holding tanks
Inventors:
Edward McKiernan, Ronald J. Bailey, James A. Sigler
Patented Case
View Patent ↗
Granted: Jan 14, 1992
Filed: May 3, 1990
Inventors
Edward McKiernan
Ronald J. Bailey
James A. Sigler
Assignee (at issue)
BellandTechnology AG
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.