Granted Patent
Utility
US 6,073,087 · App. 08/752,887
Digital tachometer
Inventors:
Kevin James Thiele, Douglas Sweet
Patented Case
View Patent ↗
Granted: Jun 6, 2000
Filed: Nov 20, 1996
Inventors
Kevin James Thiele
Douglas Sweet
Assignee (at issue)
Philips Electronics North America 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.