Granted Patent
Utility
US 5,201,224 · App. 07/695,128
Apparatus and method for sensing unbalance force and location through frequency modulation
Inventors:
Steven W. Rogers, Hanford D. Monroe
Patented Case
View Patent ↗
Granted: Apr 13, 1993
Filed: May 3, 1991
Inventors
Steven W. Rogers
Hanford D. Monroe
Assignee (at issue)
FMC 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.