Granted Patent
Utility
US 4,840,372 · App. 06/921,696
Diagnostic testing system for an exercie machine
Inventors:
Gary E. Oglesby, Bryan Andrus
Patented Case
View Patent ↗
Granted: Jun 20, 1989
Filed: Oct 21, 1986
Inventors
Gary E. Oglesby
Bryan Andrus
Assignee (at issue)
Bally Manufacturing 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.