Granted Patent
Utility
US 6,137,399 · App. 09/432,458
"High performance tachometer having a shift indicator system with ""short-shift"" protection"
Inventors:
John V. Westberg, Brian Martens
Patented Case
View Patent ↗
Granted: Oct 24, 2000
Filed: Nov 2, 1999
Inventors
John V. Westberg
Brian Martens
Assignee (at issue)
Auto Meter Products, Inc.
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.