Granted Patent
Utility
US 4,583,402 · App. 06/591,366
Fluid-gauging systems
Inventors:
Ronald V. Myers, Peter R. Thrift
Patented Case
View Patent ↗
Granted: Apr 22, 1986
Filed: Mar 20, 1984
Inventors
Ronald V. Myers
Peter R. Thrift
Assignee (at issue)
Smiths Industries Public Limited 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.