Granted Patent
Utility
US 5,555,457 · App. 08/431,042
Microwave telemetry for sensing conditions in enclosed rotating and/or reciprocating machinery
Inventors:
Richard Campbell, Douglas B. Brumm, Carl L. Anderson, Glen L. Barna
Patented Case
View Patent ↗
Granted: Sep 10, 1996
Filed: Apr 28, 1995
Inventors
Richard Campbell
Douglas B. Brumm
Carl L. Anderson
Glen L. Barna
Assignee (at issue)
Board of Control of Michigan Technological University
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.