Granted Patent
Utility
US 5,628,478 · App. 08/381,438
Cab signal pickup system with motor noise reduction
Inventors:
Lee A. McConnel, John H. Johnson
Patented Case
View Patent ↗
Granted: May 13, 1997
Filed: Jan 31, 1995
Inventors
Lee A. McConnel
John H. Johnson
Assignee (at issue)
Harmon Industries, LLC
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.